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Finding the Fourth Proportional to 584,529.95, 806,564.84 and 354,967.85

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Solution

The fourth proportional to 584,529.95, 806,564.84 and 354,967.85 is: 489,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,529.95 : 806,564.84 = 354,967.85 : x
  2. Step 2: Convert to fraction form
    584,529.95/806,564.84 = 354,967.85/x
  3. Step 3: Cross multiply
    584,529.95x = 806,564.84 × 354,967.85
  4. Step 4: Simplify right side
    584,529.95x = 286,304,581,332.73
  5. Step 5: Solve for x
    x = 286,304,581,332.73/584,529.95
  6. Step 6: Final answer
    x = 489,803.10

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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.