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Finding the Fourth Proportional to 575,233.60, 862,850.40 and 519,246.40

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Solution

The fourth proportional to 575,233.60, 862,850.40 and 519,246.40 is: 778,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,233.60 : 862,850.40 = 519,246.40 : x
  2. Step 2: Convert to fraction form
    575,233.60/862,850.40 = 519,246.40/x
  3. Step 3: Cross multiply
    575,233.60x = 862,850.40 × 519,246.40
  4. Step 4: Simplify right side
    575,233.60x = 448,031,963,938.56
  5. Step 5: Solve for x
    x = 448,031,963,938.56/575,233.60
  6. Step 6: Final answer
    x = 778,869.60

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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.