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Finding the Fourth Proportional to 650,057.40, 975,086.10 and 492,593.40

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Solution

The fourth proportional to 650,057.40, 975,086.10 and 492,593.40 is: 738,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,057.40 : 975,086.10 = 492,593.40 : x
  2. Step 2: Convert to fraction form
    650,057.40/975,086.10 = 492,593.40/x
  3. Step 3: Cross multiply
    650,057.40x = 975,086.10 × 492,593.40
  4. Step 4: Simplify right side
    650,057.40x = 480,320,977,291.74
  5. Step 5: Solve for x
    x = 480,320,977,291.74/650,057.40
  6. Step 6: Final answer
    x = 738,890.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.