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Finding the Fourth Proportional to 573,710.10, 858,815.55 and 336,347.70

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Solution

The fourth proportional to 573,710.10, 858,815.55 and 336,347.70 is: 503,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,710.10 : 858,815.55 = 336,347.70 : x
  2. Step 2: Convert to fraction form
    573,710.10/858,815.55 = 336,347.70/x
  3. Step 3: Cross multiply
    573,710.10x = 858,815.55 × 336,347.70
  4. Step 4: Simplify right side
    573,710.10x = 288,860,634,966.74
  5. Step 5: Solve for x
    x = 288,860,634,966.74/573,710.10
  6. Step 6: Final answer
    x = 503,495.82

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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.