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Finding the Fourth Proportional to 475,602.66, 656,331.50 and 260,738.10

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Solution

The fourth proportional to 475,602.66, 656,331.50 and 260,738.10 is: 359,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,602.66 : 656,331.50 = 260,738.10 : x
  2. Step 2: Convert to fraction form
    475,602.66/656,331.50 = 260,738.10/x
  3. Step 3: Cross multiply
    475,602.66x = 656,331.50 × 260,738.10
  4. Step 4: Simplify right side
    475,602.66x = 171,130,626,976.46
  5. Step 5: Solve for x
    x = 171,130,626,976.46/475,602.66
  6. Step 6: Final answer
    x = 359,818.48

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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.