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Finding the Fourth Proportional to 425,316.74, 586,936.77 and 234,330.13

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Solution

The fourth proportional to 425,316.74, 586,936.77 and 234,330.13 is: 323,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,316.74 : 586,936.77 = 234,330.13 : x
  2. Step 2: Convert to fraction form
    425,316.74/586,936.77 = 234,330.13/x
  3. Step 3: Cross multiply
    425,316.74x = 586,936.77 × 234,330.13
  4. Step 4: Simplify right side
    425,316.74x = 137,536,966,681.20
  5. Step 5: Solve for x
    x = 137,536,966,681.20/425,316.74
  6. Step 6: Final answer
    x = 323,375.39

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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.