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Finding the Fourth Proportional to 475,526.70, 656,221.50 and 260,666.10

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Solution

The fourth proportional to 475,526.70, 656,221.50 and 260,666.10 is: 359,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,526.70 : 656,221.50 = 260,666.10 : x
  2. Step 2: Convert to fraction form
    475,526.70/656,221.50 = 260,666.10/x
  3. Step 3: Cross multiply
    475,526.70x = 656,221.50 × 260,666.10
  4. Step 4: Simplify right side
    475,526.70x = 171,054,699,141.15
  5. Step 5: Solve for x
    x = 171,054,699,141.15/475,526.70
  6. Step 6: Final answer
    x = 359,716.29

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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.