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Finding the Fourth Proportional to 533,706.93, 736,520.99 and 291,984.21

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Solution

The fourth proportional to 533,706.93, 736,520.99 and 291,984.21 is: 402,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,706.93 : 736,520.99 = 291,984.21 : x
  2. Step 2: Convert to fraction form
    533,706.93/736,520.99 = 291,984.21/x
  3. Step 3: Cross multiply
    533,706.93x = 736,520.99 × 291,984.21
  4. Step 4: Simplify right side
    533,706.93x = 215,052,497,953.65
  5. Step 5: Solve for x
    x = 215,052,497,953.65/533,706.93
  6. Step 6: Final answer
    x = 402,941.18

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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.