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Finding the Fourth Proportional to 637,803.20, 958,130.40 and 532,827.20

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Solution

The fourth proportional to 637,803.20, 958,130.40 and 532,827.20 is: 800,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,803.20 : 958,130.40 = 532,827.20 : x
  2. Step 2: Convert to fraction form
    637,803.20/958,130.40 = 532,827.20/x
  3. Step 3: Cross multiply
    637,803.20x = 958,130.40 × 532,827.20
  4. Step 4: Simplify right side
    637,803.20x = 510,517,938,266.88
  5. Step 5: Solve for x
    x = 510,517,938,266.88/637,803.20
  6. Step 6: Final answer
    x = 800,431.76

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Double scale
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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.