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Finding the Fourth Proportional to 467,552, 645,221.76 and 266,348

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Solution

The fourth proportional to 467,552, 645,221.76 and 266,348 is: 367,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,552 : 645,221.76 = 266,348 : x
  2. Step 2: Convert to fraction form
    467,552/645,221.76 = 266,348/x
  3. Step 3: Cross multiply
    467,552x = 645,221.76 × 266,348
  4. Step 4: Simplify right side
    467,552x = 171,853,525,332.48
  5. Step 5: Solve for x
    x = 171,853,525,332.48/467,552
  6. Step 6: Final answer
    x = 367,560.24

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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.