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Finding the Fourth Proportional to 358,712.10, 538,068.15 and 246,737.70

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Solution

The fourth proportional to 358,712.10, 538,068.15 and 246,737.70 is: 370,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,712.10 : 538,068.15 = 246,737.70 : x
  2. Step 2: Convert to fraction form
    358,712.10/538,068.15 = 246,737.70/x
  3. Step 3: Cross multiply
    358,712.10x = 538,068.15 × 246,737.70
  4. Step 4: Simplify right side
    358,712.10x = 132,761,697,774.26
  5. Step 5: Solve for x
    x = 132,761,697,774.26/358,712.10
  6. Step 6: Final answer
    x = 370,106.55

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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.