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Finding the Fourth Proportional to 310,846.60, 466,269.90 and 286,352.20

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Solution

The fourth proportional to 310,846.60, 466,269.90 and 286,352.20 is: 429,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,846.60 : 466,269.90 = 286,352.20 : x
  2. Step 2: Convert to fraction form
    310,846.60/466,269.90 = 286,352.20/x
  3. Step 3: Cross multiply
    310,846.60x = 466,269.90 × 286,352.20
  4. Step 4: Simplify right side
    310,846.60x = 133,517,411,658.78
  5. Step 5: Solve for x
    x = 133,517,411,658.78/310,846.60
  6. Step 6: Final answer
    x = 429,528.30

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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.