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Finding the Fourth Proportional to 524,358.12, 723,619.26 and 298,005.24

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Solution

The fourth proportional to 524,358.12, 723,619.26 and 298,005.24 is: 411,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,358.12 : 723,619.26 = 298,005.24 : x
  2. Step 2: Convert to fraction form
    524,358.12/723,619.26 = 298,005.24/x
  3. Step 3: Cross multiply
    524,358.12x = 723,619.26 × 298,005.24
  4. Step 4: Simplify right side
    524,358.12x = 215,642,331,244.92
  5. Step 5: Solve for x
    x = 215,642,331,244.92/524,358.12
  6. Step 6: Final answer
    x = 411,250.10

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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.