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Finding the Fourth Proportional to 376,425.76, 564,140.32 and 276,116.32

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Solution

The fourth proportional to 376,425.76, 564,140.32 and 276,116.32 is: 413,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,425.76 : 564,140.32 = 276,116.32 : x
  2. Step 2: Convert to fraction form
    376,425.76/564,140.32 = 276,116.32/x
  3. Step 3: Cross multiply
    376,425.76x = 564,140.32 × 276,116.32
  4. Step 4: Simplify right side
    376,425.76x = 155,768,349,122.02
  5. Step 5: Solve for x
    x = 155,768,349,122.02/376,425.76
  6. Step 6: Final answer
    x = 413,808.95

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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.