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Finding the Fourth Proportional to 527,214.72, 790,938.24 and 153,266.88

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Solution

The fourth proportional to 527,214.72, 790,938.24 and 153,266.88 is: 229,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,214.72 : 790,938.24 = 153,266.88 : x
  2. Step 2: Convert to fraction form
    527,214.72/790,938.24 = 153,266.88/x
  3. Step 3: Cross multiply
    527,214.72x = 790,938.24 × 153,266.88
  4. Step 4: Simplify right side
    527,214.72x = 121,224,636,317.49
  5. Step 5: Solve for x
    x = 121,224,636,317.49/527,214.72
  6. Step 6: Final answer
    x = 229,934.09

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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.