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Finding the Fourth Proportional to 424,888.45, 585,081.45 and 415,458.83

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Solution

The fourth proportional to 424,888.45, 585,081.45 and 415,458.83 is: 572,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,888.45 : 585,081.45 = 415,458.83 : x
  2. Step 2: Convert to fraction form
    424,888.45/585,081.45 = 415,458.83/x
  3. Step 3: Cross multiply
    424,888.45x = 585,081.45 × 415,458.83
  4. Step 4: Simplify right side
    424,888.45x = 243,077,256,134.41
  5. Step 5: Solve for x
    x = 243,077,256,134.41/424,888.45
  6. Step 6: Final answer
    x = 572,096.65

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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.