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Finding the Fourth Proportional to 586,429.86, 879,661.18 and 207,297

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Solution

The fourth proportional to 586,429.86, 879,661.18 and 207,297 is: 310,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,429.86 : 879,661.18 = 207,297 : x
  2. Step 2: Convert to fraction form
    586,429.86/879,661.18 = 207,297/x
  3. Step 3: Cross multiply
    586,429.86x = 879,661.18 × 207,297
  4. Step 4: Simplify right side
    586,429.86x = 182,351,123,630.46
  5. Step 5: Solve for x
    x = 182,351,123,630.46/586,429.86
  6. Step 6: Final answer
    x = 310,951.29

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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.