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Finding the Fourth Proportional to 697,071.95, 962,572.70 and 435,874.89

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Solution

The fourth proportional to 697,071.95, 962,572.70 and 435,874.89 is: 601,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,071.95 : 962,572.70 = 435,874.89 : x
  2. Step 2: Convert to fraction form
    697,071.95/962,572.70 = 435,874.89/x
  3. Step 3: Cross multiply
    697,071.95x = 962,572.70 × 435,874.89
  4. Step 4: Simplify right side
    697,071.95x = 419,561,267,550.13
  5. Step 5: Solve for x
    x = 419,561,267,550.13/697,071.95
  6. Step 6: Final answer
    x = 601,890.91

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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.