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Finding the Fourth Proportional to 573,060,603.70, 859,590,905.55 and 397,708,693.30

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Solution

The fourth proportional to 573,060,603.70, 859,590,905.55 and 397,708,693.30 is: 596,563,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,060,603.70 : 859,590,905.55 = 397,708,693.30 : x
  2. Step 2: Convert to fraction form
    573,060,603.70/859,590,905.55 = 397,708,693.30/x
  3. Step 3: Cross multiply
    573,060,603.70x = 859,590,905.55 × 397,708,693.30
  4. Step 4: Simplify right side
    573,060,603.70x = 341,866,775,818,854,208
  5. Step 5: Solve for x
    x = 341,866,775,818,854,208/573,060,603.70
  6. Step 6: Final answer
    x = 596,563,039.95

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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.