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Finding the Fourth Proportional to 424,587.34, 585,681.72 and 271,569.70

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Solution

The fourth proportional to 424,587.34, 585,681.72 and 271,569.70 is: 374,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,587.34 : 585,681.72 = 271,569.70 : x
  2. Step 2: Convert to fraction form
    424,587.34/585,681.72 = 271,569.70/x
  3. Step 3: Cross multiply
    424,587.34x = 585,681.72 × 271,569.70
  4. Step 4: Simplify right side
    424,587.34x = 159,053,408,995.88
  5. Step 5: Solve for x
    x = 159,053,408,995.88/424,587.34
  6. Step 6: Final answer
    x = 374,607.05

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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.