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Finding the Fourth Proportional to 475,612.86, 656,328.32 and 260,748.22

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Solution

The fourth proportional to 475,612.86, 656,328.32 and 260,748.22 is: 359,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,612.86 : 656,328.32 = 260,748.22 : x
  2. Step 2: Convert to fraction form
    475,612.86/656,328.32 = 260,748.22/x
  3. Step 3: Cross multiply
    475,612.86x = 656,328.32 × 260,748.22
  4. Step 4: Simplify right side
    475,612.86x = 171,136,441,175.59
  5. Step 5: Solve for x
    x = 171,136,441,175.59/475,612.86
  6. Step 6: Final answer
    x = 359,822.99

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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.