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Finding the Fourth Proportional to 356,515.68, 534,685.44 and 156,886.08

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Solution

The fourth proportional to 356,515.68, 534,685.44 and 156,886.08 is: 235,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,515.68 : 534,685.44 = 156,886.08 : x
  2. Step 2: Convert to fraction form
    356,515.68/534,685.44 = 156,886.08/x
  3. Step 3: Cross multiply
    356,515.68x = 534,685.44 × 156,886.08
  4. Step 4: Simplify right side
    356,515.68x = 83,884,702,714.68
  5. Step 5: Solve for x
    x = 83,884,702,714.68/356,515.68
  6. Step 6: Final answer
    x = 235,290.36

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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.