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Finding the Fourth Proportional to 475,499.94, 656,190.07 and 260,641.47

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Solution

The fourth proportional to 475,499.94, 656,190.07 and 260,641.47 is: 359,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,499.94 : 656,190.07 = 260,641.47 : x
  2. Step 2: Convert to fraction form
    475,499.94/656,190.07 = 260,641.47/x
  3. Step 3: Cross multiply
    475,499.94x = 656,190.07 × 260,641.47
  4. Step 4: Simplify right side
    475,499.94x = 171,030,344,444.20
  5. Step 5: Solve for x
    x = 171,030,344,444.20/475,499.94
  6. Step 6: Final answer
    x = 359,685.31

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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.