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Finding the Fourth Proportional to 475,814.48, 656,632.38 and 260,952.66

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Solution

The fourth proportional to 475,814.48, 656,632.38 and 260,952.66 is: 360,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,814.48 : 656,632.38 = 260,952.66 : x
  2. Step 2: Convert to fraction form
    475,814.48/656,632.38 = 260,952.66/x
  3. Step 3: Cross multiply
    475,814.48x = 656,632.38 × 260,952.66
  4. Step 4: Simplify right side
    475,814.48x = 171,349,966,203.13
  5. Step 5: Solve for x
    x = 171,349,966,203.13/475,814.48
  6. Step 6: Final answer
    x = 360,119.28

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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.