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Finding the Fourth Proportional to 415,443.42, 573,328.62 and 234,162.90

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Solution

The fourth proportional to 415,443.42, 573,328.62 and 234,162.90 is: 323,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,443.42 : 573,328.62 = 234,162.90 : x
  2. Step 2: Convert to fraction form
    415,443.42/573,328.62 = 234,162.90/x
  3. Step 3: Cross multiply
    415,443.42x = 573,328.62 × 234,162.90
  4. Step 4: Simplify right side
    415,443.42x = 134,252,292,312.20
  5. Step 5: Solve for x
    x = 134,252,292,312.20/415,443.42
  6. Step 6: Final answer
    x = 323,154.22

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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.