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Finding the Fourth Proportional to 313,264.47, 432,305.28 and 170,024.58

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Solution

The fourth proportional to 313,264.47, 432,305.28 and 170,024.58 is: 234,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,264.47 : 432,305.28 = 170,024.58 : x
  2. Step 2: Convert to fraction form
    313,264.47/432,305.28 = 170,024.58/x
  3. Step 3: Cross multiply
    313,264.47x = 432,305.28 × 170,024.58
  4. Step 4: Simplify right side
    313,264.47x = 73,502,523,663.78
  5. Step 5: Solve for x
    x = 73,502,523,663.78/313,264.47
  6. Step 6: Final answer
    x = 234,634.09

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1.5x scale

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.