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Finding the Fourth Proportional to 284,241.67, 392,267.13 and 156,925.46

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Solution

The fourth proportional to 284,241.67, 392,267.13 and 156,925.46 is: 216,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,241.67 : 392,267.13 = 156,925.46 : x
  2. Step 2: Convert to fraction form
    284,241.67/392,267.13 = 156,925.46/x
  3. Step 3: Cross multiply
    284,241.67x = 392,267.13 × 156,925.46
  4. Step 4: Simplify right side
    284,241.67x = 61,556,699,818.13
  5. Step 5: Solve for x
    x = 61,556,699,818.13/284,241.67
  6. Step 6: Final answer
    x = 216,564.66

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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.