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Finding the Fourth Proportional to 480,060.59, 662,503.74 and 276,111.56

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Solution

The fourth proportional to 480,060.59, 662,503.74 and 276,111.56 is: 381,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,060.59 : 662,503.74 = 276,111.56 : x
  2. Step 2: Convert to fraction form
    480,060.59/662,503.74 = 276,111.56/x
  3. Step 3: Cross multiply
    480,060.59x = 662,503.74 × 276,111.56
  4. Step 4: Simplify right side
    480,060.59x = 182,924,941,157.23
  5. Step 5: Solve for x
    x = 182,924,941,157.23/480,060.59
  6. Step 6: Final answer
    x = 381,045.53

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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.