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Finding the Fourth Proportional to 373,226.90, 514,509.89 and 296,776.89

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Solution

The fourth proportional to 373,226.90, 514,509.89 and 296,776.89 is: 409,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,226.90 : 514,509.89 = 296,776.89 : x
  2. Step 2: Convert to fraction form
    373,226.90/514,509.89 = 296,776.89/x
  3. Step 3: Cross multiply
    373,226.90x = 514,509.89 × 296,776.89
  4. Step 4: Simplify right side
    373,226.90x = 152,694,643,544.56
  5. Step 5: Solve for x
    x = 152,694,643,544.56/373,226.90
  6. Step 6: Final answer
    x = 409,120.15

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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.