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Finding the Fourth Proportional to 581,622.46, 872,572.86 and 281,752.50

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Solution

The fourth proportional to 581,622.46, 872,572.86 and 281,752.50 is: 422,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,622.46 : 872,572.86 = 281,752.50 : x
  2. Step 2: Convert to fraction form
    581,622.46/872,572.86 = 281,752.50/x
  3. Step 3: Cross multiply
    581,622.46x = 872,572.86 × 281,752.50
  4. Step 4: Simplify right side
    581,622.46x = 245,849,584,737.15
  5. Step 5: Solve for x
    x = 245,849,584,737.15/581,622.46
  6. Step 6: Final answer
    x = 422,696.17

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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.