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Finding the Fourth Proportional to 349,483.23, 524,123.28 and 136,203.66

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Solution

The fourth proportional to 349,483.23, 524,123.28 and 136,203.66 is: 204,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,483.23 : 524,123.28 = 136,203.66 : x
  2. Step 2: Convert to fraction form
    349,483.23/524,123.28 = 136,203.66/x
  3. Step 3: Cross multiply
    349,483.23x = 524,123.28 × 136,203.66
  4. Step 4: Simplify right side
    349,483.23x = 71,387,509,027.20
  5. Step 5: Solve for x
    x = 71,387,509,027.20/349,483.23
  6. Step 6: Final answer
    x = 204,265.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.