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Finding the Fourth Proportional to 584,553.88, 806,387.15 and 355,050.10

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Solution

The fourth proportional to 584,553.88, 806,387.15 and 355,050.10 is: 489,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,553.88 : 806,387.15 = 355,050.10 : x
  2. Step 2: Convert to fraction form
    584,553.88/806,387.15 = 355,050.10/x
  3. Step 3: Cross multiply
    584,553.88x = 806,387.15 × 355,050.10
  4. Step 4: Simplify right side
    584,553.88x = 286,307,838,246.22
  5. Step 5: Solve for x
    x = 286,307,838,246.22/584,553.88
  6. Step 6: Final answer
    x = 489,788.62

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1.5x scale

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.