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Finding the Fourth Proportional to 313,153.56, 432,264.01 and 185,829.16

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Solution

The fourth proportional to 313,153.56, 432,264.01 and 185,829.16 is: 256,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,153.56 : 432,264.01 = 185,829.16 : x
  2. Step 2: Convert to fraction form
    313,153.56/432,264.01 = 185,829.16/x
  3. Step 3: Cross multiply
    313,153.56x = 432,264.01 × 185,829.16
  4. Step 4: Simplify right side
    313,153.56x = 80,327,257,876.53
  5. Step 5: Solve for x
    x = 80,327,257,876.53/313,153.56
  6. Step 6: Final answer
    x = 256,510.76

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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.