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Finding the Fourth Proportional to 530,567.76, 732,179.11 and 288,849.84

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Solution

The fourth proportional to 530,567.76, 732,179.11 and 288,849.84 is: 398,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,567.76 : 732,179.11 = 288,849.84 : x
  2. Step 2: Convert to fraction form
    530,567.76/732,179.11 = 288,849.84/x
  3. Step 3: Cross multiply
    530,567.76x = 732,179.11 × 288,849.84
  4. Step 4: Simplify right side
    530,567.76x = 211,489,818,774.84
  5. Step 5: Solve for x
    x = 211,489,818,774.84/530,567.76
  6. Step 6: Final answer
    x = 398,610.38

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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.