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Finding the Fourth Proportional to 524,381.16, 723,650.98 and 298,028.20

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Solution

The fourth proportional to 524,381.16, 723,650.98 and 298,028.20 is: 411,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,381.16 : 723,650.98 = 298,028.20 : x
  2. Step 2: Convert to fraction form
    524,381.16/723,650.98 = 298,028.20/x
  3. Step 3: Cross multiply
    524,381.16x = 723,650.98 × 298,028.20
  4. Step 4: Simplify right side
    524,381.16x = 215,668,398,997.64
  5. Step 5: Solve for x
    x = 215,668,398,997.64/524,381.16
  6. Step 6: Final answer
    x = 411,281.75

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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.