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Finding the Fourth Proportional to 315,073.80, 472,610.70 and 296,411.40

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Solution

The fourth proportional to 315,073.80, 472,610.70 and 296,411.40 is: 444,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,073.80 : 472,610.70 = 296,411.40 : x
  2. Step 2: Convert to fraction form
    315,073.80/472,610.70 = 296,411.40/x
  3. Step 3: Cross multiply
    315,073.80x = 472,610.70 × 296,411.40
  4. Step 4: Simplify right side
    315,073.80x = 140,087,199,241.98
  5. Step 5: Solve for x
    x = 140,087,199,241.98/315,073.80
  6. Step 6: Final answer
    x = 444,617.10

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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.