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Finding the Fourth Proportional to 424,873.82, 585,061.28 and 415,444.21

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Solution

The fourth proportional to 424,873.82, 585,061.28 and 415,444.21 is: 572,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,873.82 : 585,061.28 = 415,444.21 : x
  2. Step 2: Convert to fraction form
    424,873.82/585,061.28 = 415,444.21/x
  3. Step 3: Cross multiply
    424,873.82x = 585,061.28 × 415,444.21
  4. Step 4: Simplify right side
    424,873.82x = 243,060,319,289.23
  5. Step 5: Solve for x
    x = 243,060,319,289.23/424,873.82
  6. Step 6: Final answer
    x = 572,076.48

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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.