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Finding the Fourth Proportional to 602,886.17, 904,605.51 and 261,434.27

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Solution

The fourth proportional to 602,886.17, 904,605.51 and 261,434.27 is: 392,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,886.17 : 904,605.51 = 261,434.27 : x
  2. Step 2: Convert to fraction form
    602,886.17/904,605.51 = 261,434.27/x
  3. Step 3: Cross multiply
    602,886.17x = 904,605.51 × 261,434.27
  4. Step 4: Simplify right side
    602,886.17x = 236,494,876,621.80
  5. Step 5: Solve for x
    x = 236,494,876,621.80/602,886.17
  6. Step 6: Final answer
    x = 392,271.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.