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Finding the Fourth Proportional to 476,613.82, 715,008.75 and 156,783.70

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Solution

The fourth proportional to 476,613.82, 715,008.75 and 156,783.70 is: 235,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,613.82 : 715,008.75 = 156,783.70 : x
  2. Step 2: Convert to fraction form
    476,613.82/715,008.75 = 156,783.70/x
  3. Step 3: Cross multiply
    476,613.82x = 715,008.75 × 156,783.70
  4. Step 4: Simplify right side
    476,613.82x = 112,101,717,357.38
  5. Step 5: Solve for x
    x = 112,101,717,357.38/476,613.82
  6. Step 6: Final answer
    x = 235,204.50

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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.