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Finding the Fourth Proportional to 348,275.52, 480,729.60 and 197,472.96

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Solution

The fourth proportional to 348,275.52, 480,729.60 and 197,472.96 is: 272,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,275.52 : 480,729.60 = 197,472.96 : x
  2. Step 2: Convert to fraction form
    348,275.52/480,729.60 = 197,472.96/x
  3. Step 3: Cross multiply
    348,275.52x = 480,729.60 × 197,472.96
  4. Step 4: Simplify right side
    348,275.52x = 94,931,097,071.62
  5. Step 5: Solve for x
    x = 94,931,097,071.62/348,275.52
  6. Step 6: Final answer
    x = 272,574.70

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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.