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Finding the Fourth Proportional to 507,347.49, 760,470.98 and 254,017.03

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Solution

The fourth proportional to 507,347.49, 760,470.98 and 254,017.03 is: 380,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,347.49 : 760,470.98 = 254,017.03 : x
  2. Step 2: Convert to fraction form
    507,347.49/760,470.98 = 254,017.03/x
  3. Step 3: Cross multiply
    507,347.49x = 760,470.98 × 254,017.03
  4. Step 4: Simplify right side
    507,347.49x = 193,172,579,740.79
  5. Step 5: Solve for x
    x = 193,172,579,740.79/507,347.49
  6. Step 6: Final answer
    x = 380,750.05

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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.