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Finding the Fourth Proportional to 598,870.60, 898,305.90 and 577,875.40

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Solution

The fourth proportional to 598,870.60, 898,305.90 and 577,875.40 is: 866,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,870.60 : 898,305.90 = 577,875.40 : x
  2. Step 2: Convert to fraction form
    598,870.60/898,305.90 = 577,875.40/x
  3. Step 3: Cross multiply
    598,870.60x = 898,305.90 × 577,875.40
  4. Step 4: Simplify right side
    598,870.60x = 519,108,881,284.86
  5. Step 5: Solve for x
    x = 519,108,881,284.86/598,870.60
  6. Step 6: Final answer
    x = 866,813.10

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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.