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Finding the Fourth Proportional to 522,088.20, 783,132.30 and 362,655.90

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Solution

The fourth proportional to 522,088.20, 783,132.30 and 362,655.90 is: 543,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,088.20 : 783,132.30 = 362,655.90 : x
  2. Step 2: Convert to fraction form
    522,088.20/783,132.30 = 362,655.90/x
  3. Step 3: Cross multiply
    522,088.20x = 783,132.30 × 362,655.90
  4. Step 4: Simplify right side
    522,088.20x = 284,007,549,075.57
  5. Step 5: Solve for x
    x = 284,007,549,075.57/522,088.20
  6. Step 6: Final answer
    x = 543,983.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.