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Finding the Fourth Proportional to 475,661.54, 656,407.90 and 260,801.08

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Solution

The fourth proportional to 475,661.54, 656,407.90 and 260,801.08 is: 359,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,661.54 : 656,407.90 = 260,801.08 : x
  2. Step 2: Convert to fraction form
    475,661.54/656,407.90 = 260,801.08/x
  3. Step 3: Cross multiply
    475,661.54x = 656,407.90 × 260,801.08
  4. Step 4: Simplify right side
    475,661.54x = 171,191,889,240.53
  5. Step 5: Solve for x
    x = 171,191,889,240.53/475,661.54
  6. Step 6: Final answer
    x = 359,902.74

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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.