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Finding the Fourth Proportional to 591,005.60, 885,932.40 and 338,026.40

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Solution

The fourth proportional to 591,005.60, 885,932.40 and 338,026.40 is: 506,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,005.60 : 885,932.40 = 338,026.40 : x
  2. Step 2: Convert to fraction form
    591,005.60/885,932.40 = 338,026.40/x
  3. Step 3: Cross multiply
    591,005.60x = 885,932.40 × 338,026.40
  4. Step 4: Simplify right side
    591,005.60x = 299,468,539,815.36
  5. Step 5: Solve for x
    x = 299,468,539,815.36/591,005.60
  6. Step 6: Final answer
    x = 506,710.16

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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.