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Finding the Fourth Proportional to 614,854.60, 922,281.90 and 567,615.40

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Solution

The fourth proportional to 614,854.60, 922,281.90 and 567,615.40 is: 851,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,854.60 : 922,281.90 = 567,615.40 : x
  2. Step 2: Convert to fraction form
    614,854.60/922,281.90 = 567,615.40/x
  3. Step 3: Cross multiply
    614,854.60x = 922,281.90 × 567,615.40
  4. Step 4: Simplify right side
    614,854.60x = 523,501,409,581.26
  5. Step 5: Solve for x
    x = 523,501,409,581.26/614,854.60
  6. Step 6: Final answer
    x = 851,423.10

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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.