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Finding the Fourth Proportional to 425,444.36, 587,098.74 and 234,460.76

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Solution

The fourth proportional to 425,444.36, 587,098.74 and 234,460.76 is: 323,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,444.36 : 587,098.74 = 234,460.76 : x
  2. Step 2: Convert to fraction form
    425,444.36/587,098.74 = 234,460.76/x
  3. Step 3: Cross multiply
    425,444.36x = 587,098.74 × 234,460.76
  4. Step 4: Simplify right side
    425,444.36x = 137,651,616,775.44
  5. Step 5: Solve for x
    x = 137,651,616,775.44/425,444.36
  6. Step 6: Final answer
    x = 323,547.87

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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.