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Finding the Fourth Proportional to 475,365.48, 656,009.53 and 260,500.93

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Solution

The fourth proportional to 475,365.48, 656,009.53 and 260,500.93 is: 359,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,365.48 : 656,009.53 = 260,500.93 : x
  2. Step 2: Convert to fraction form
    475,365.48/656,009.53 = 260,500.93/x
  3. Step 3: Cross multiply
    475,365.48x = 656,009.53 × 260,500.93
  4. Step 4: Simplify right side
    475,365.48x = 170,891,091,351.36
  5. Step 5: Solve for x
    x = 170,891,091,351.36/475,365.48
  6. Step 6: Final answer
    x = 359,494.11

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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.