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Finding the Fourth Proportional to 533,510.70, 736,235.45 and 291,787.97

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Solution

The fourth proportional to 533,510.70, 736,235.45 and 291,787.97 is: 402,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,510.70 : 736,235.45 = 291,787.97 : x
  2. Step 2: Convert to fraction form
    533,510.70/736,235.45 = 291,787.97/x
  3. Step 3: Cross multiply
    533,510.70x = 736,235.45 × 291,787.97
  4. Step 4: Simplify right side
    533,510.70x = 214,824,642,257.42
  5. Step 5: Solve for x
    x = 214,824,642,257.42/533,510.70
  6. Step 6: Final answer
    x = 402,662.29

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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.