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Finding the Fourth Proportional to 867,737.09, 1,302,097.78 and 468,369.02

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Solution

The fourth proportional to 867,737.09, 1,302,097.78 and 468,369.02 is: 702,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,737.09 : 1,302,097.78 = 468,369.02 : x
  2. Step 2: Convert to fraction form
    867,737.09/1,302,097.78 = 468,369.02/x
  3. Step 3: Cross multiply
    867,737.09x = 1,302,097.78 × 468,369.02
  4. Step 4: Simplify right side
    867,737.09x = 609,862,257,679.18
  5. Step 5: Solve for x
    x = 609,862,257,679.18/867,737.09
  6. Step 6: Final answer
    x = 702,819.17

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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.