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Finding the Fourth Proportional to 475,406.42, 656,058.08 and 260,555.54

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Solution

The fourth proportional to 475,406.42, 656,058.08 and 260,555.54 is: 359,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,406.42 : 656,058.08 = 260,555.54 : x
  2. Step 2: Convert to fraction form
    475,406.42/656,058.08 = 260,555.54/x
  3. Step 3: Cross multiply
    475,406.42x = 656,058.08 × 260,555.54
  4. Step 4: Simplify right side
    475,406.42x = 170,939,564,676.86
  5. Step 5: Solve for x
    x = 170,939,564,676.86/475,406.42
  6. Step 6: Final answer
    x = 359,565.12

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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.