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Finding the Fourth Proportional to 533,521.64, 736,229.70 and 291,756.20

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Solution

The fourth proportional to 533,521.64, 736,229.70 and 291,756.20 is: 402,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,521.64 : 736,229.70 = 291,756.20 : x
  2. Step 2: Convert to fraction form
    533,521.64/736,229.70 = 291,756.20/x
  3. Step 3: Cross multiply
    533,521.64x = 736,229.70 × 291,756.20
  4. Step 4: Simplify right side
    533,521.64x = 214,799,579,599.14
  5. Step 5: Solve for x
    x = 214,799,579,599.14/533,521.64
  6. Step 6: Final answer
    x = 402,607.06

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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.