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Finding the Fourth Proportional to 524,667.12, 722,289.56 and 500,564.76

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Solution

The fourth proportional to 524,667.12, 722,289.56 and 500,564.76 is: 689,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,667.12 : 722,289.56 = 500,564.76 : x
  2. Step 2: Convert to fraction form
    524,667.12/722,289.56 = 500,564.76/x
  3. Step 3: Cross multiply
    524,667.12x = 722,289.56 × 500,564.76
  4. Step 4: Simplify right side
    524,667.12x = 361,552,700,251.91
  5. Step 5: Solve for x
    x = 361,552,700,251.91/524,667.12
  6. Step 6: Final answer
    x = 689,108.74

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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.