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Finding the Fourth Proportional to 573,943.98, 791,712.98 and 358,710.40

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Solution

The fourth proportional to 573,943.98, 791,712.98 and 358,710.40 is: 494,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,943.98 : 791,712.98 = 358,710.40 : x
  2. Step 2: Convert to fraction form
    573,943.98/791,712.98 = 358,710.40/x
  3. Step 3: Cross multiply
    573,943.98x = 791,712.98 × 358,710.40
  4. Step 4: Simplify right side
    573,943.98x = 283,995,679,740.99
  5. Step 5: Solve for x
    x = 283,995,679,740.99/573,943.98
  6. Step 6: Final answer
    x = 494,814.28

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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.