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Finding the Fourth Proportional to 539,612.64, 744,671.48 and 297,895.35

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Solution

The fourth proportional to 539,612.64, 744,671.48 and 297,895.35 is: 411,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,612.64 : 744,671.48 = 297,895.35 : x
  2. Step 2: Convert to fraction form
    539,612.64/744,671.48 = 297,895.35/x
  3. Step 3: Cross multiply
    539,612.64x = 744,671.48 × 297,895.35
  4. Step 4: Simplify right side
    539,612.64x = 221,834,168,191.00
  5. Step 5: Solve for x
    x = 221,834,168,191.00/539,612.64
  6. Step 6: Final answer
    x = 411,098.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.