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Finding the Fourth Proportional to 480,471.64, 663,047.16 and 276,562.60

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Solution

The fourth proportional to 480,471.64, 663,047.16 and 276,562.60 is: 381,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,471.64 : 663,047.16 = 276,562.60 : x
  2. Step 2: Convert to fraction form
    480,471.64/663,047.16 = 276,562.60/x
  3. Step 3: Cross multiply
    480,471.64x = 663,047.16 × 276,562.60
  4. Step 4: Simplify right side
    480,471.64x = 183,374,046,492.22
  5. Step 5: Solve for x
    x = 183,374,046,492.22/480,471.64
  6. Step 6: Final answer
    x = 381,654.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.