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Finding the Fourth Proportional to 533,711.94, 736,527.90 and 291,989.22

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Solution

The fourth proportional to 533,711.94, 736,527.90 and 291,989.22 is: 402,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,711.94 : 736,527.90 = 291,989.22 : x
  2. Step 2: Convert to fraction form
    533,711.94/736,527.90 = 291,989.22/x
  3. Step 3: Cross multiply
    533,711.94x = 736,527.90 × 291,989.22
  4. Step 4: Simplify right side
    533,711.94x = 215,058,207,029.24
  5. Step 5: Solve for x
    x = 215,058,207,029.24/533,711.94
  6. Step 6: Final answer
    x = 402,948.09

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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.