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Finding the Fourth Proportional to 475,582.86, 656,286.93 and 260,718.21

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Solution

The fourth proportional to 475,582.86, 656,286.93 and 260,718.21 is: 359,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,582.86 : 656,286.93 = 260,718.21 : x
  2. Step 2: Convert to fraction form
    475,582.86/656,286.93 = 260,718.21/x
  3. Step 3: Cross multiply
    475,582.86x = 656,286.93 × 260,718.21
  4. Step 4: Simplify right side
    475,582.86x = 171,105,953,636.00
  5. Step 5: Solve for x
    x = 171,105,953,636.00/475,582.86
  6. Step 6: Final answer
    x = 359,781.58

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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.