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Finding the Fourth Proportional to 416,070.68, 574,193.81 and 243,964.71

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Solution

The fourth proportional to 416,070.68, 574,193.81 and 243,964.71 is: 336,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,070.68 : 574,193.81 = 243,964.71 : x
  2. Step 2: Convert to fraction form
    416,070.68/574,193.81 = 243,964.71/x
  3. Step 3: Cross multiply
    416,070.68x = 574,193.81 × 243,964.71
  4. Step 4: Simplify right side
    416,070.68x = 140,083,026,950.36
  5. Step 5: Solve for x
    x = 140,083,026,950.36/416,070.68
  6. Step 6: Final answer
    x = 336,680.85

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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.