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Finding the Fourth Proportional to 416,079.68, 574,206.23 and 243,973.71

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Solution

The fourth proportional to 416,079.68, 574,206.23 and 243,973.71 is: 336,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,079.68 : 574,206.23 = 243,973.71 : x
  2. Step 2: Convert to fraction form
    416,079.68/574,206.23 = 243,973.71/x
  3. Step 3: Cross multiply
    416,079.68x = 574,206.23 × 243,973.71
  4. Step 4: Simplify right side
    416,079.68x = 140,091,224,848.15
  5. Step 5: Solve for x
    x = 140,091,224,848.15/416,079.68
  6. Step 6: Final answer
    x = 336,693.27

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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.