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Finding the Fourth Proportional to 536,853.32, 805,411.48 and 267,108.76

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Solution

The fourth proportional to 536,853.32, 805,411.48 and 267,108.76 is: 400,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,853.32 : 805,411.48 = 267,108.76 : x
  2. Step 2: Convert to fraction form
    536,853.32/805,411.48 = 267,108.76/x
  3. Step 3: Cross multiply
    536,853.32x = 805,411.48 × 267,108.76
  4. Step 4: Simplify right side
    536,853.32x = 215,132,461,712.57
  5. Step 5: Solve for x
    x = 215,132,461,712.57/536,853.32
  6. Step 6: Final answer
    x = 400,728.57

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Double scale
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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.