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Finding the Fourth Proportional to 650,076.40, 975,114.60 and 492,612.40

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Solution

The fourth proportional to 650,076.40, 975,114.60 and 492,612.40 is: 738,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,076.40 : 975,114.60 = 492,612.40 : x
  2. Step 2: Convert to fraction form
    650,076.40/975,114.60 = 492,612.40/x
  3. Step 3: Cross multiply
    650,076.40x = 975,114.60 × 492,612.40
  4. Step 4: Simplify right side
    650,076.40x = 480,353,543,381.04
  5. Step 5: Solve for x
    x = 480,353,543,381.04/650,076.40
  6. Step 6: Final answer
    x = 738,918.60

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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.