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Finding the Fourth Proportional to 349,612.96, 524,263.92 and 266,254.24

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Solution

The fourth proportional to 349,612.96, 524,263.92 and 266,254.24 is: 399,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,612.96 : 524,263.92 = 266,254.24 : x
  2. Step 2: Convert to fraction form
    349,612.96/524,263.92 = 266,254.24/x
  3. Step 3: Cross multiply
    349,612.96x = 524,263.92 × 266,254.24
  4. Step 4: Simplify right side
    349,612.96x = 139,587,491,579.02
  5. Step 5: Solve for x
    x = 139,587,491,579.02/349,612.96
  6. Step 6: Final answer
    x = 399,262.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.