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Finding the Fourth Proportional to 425,284.86, 586,919.58 and 234,298.20

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Solution

The fourth proportional to 425,284.86, 586,919.58 and 234,298.20 is: 323,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,284.86 : 586,919.58 = 234,298.20 : x
  2. Step 2: Convert to fraction form
    425,284.86/586,919.58 = 234,298.20/x
  3. Step 3: Cross multiply
    425,284.86x = 586,919.58 × 234,298.20
  4. Step 4: Simplify right side
    425,284.86x = 137,514,201,138.76
  5. Step 5: Solve for x
    x = 137,514,201,138.76/425,284.86
  6. Step 6: Final answer
    x = 323,346.10

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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.