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Finding the Fourth Proportional to 524,200.68, 723,355.92 and 291,635.64

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Solution

The fourth proportional to 524,200.68, 723,355.92 and 291,635.64 is: 402,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,200.68 : 723,355.92 = 291,635.64 : x
  2. Step 2: Convert to fraction form
    524,200.68/723,355.92 = 291,635.64/x
  3. Step 3: Cross multiply
    524,200.68x = 723,355.92 × 291,635.64
  4. Step 4: Simplify right side
    524,200.68x = 210,956,366,676.99
  5. Step 5: Solve for x
    x = 210,956,366,676.99/524,200.68
  6. Step 6: Final answer
    x = 402,434.36

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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.