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Finding the Fourth Proportional to 480,256.48, 662,805.24 and 276,316.32

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Solution

The fourth proportional to 480,256.48, 662,805.24 and 276,316.32 is: 381,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,256.48 : 662,805.24 = 276,316.32 : x
  2. Step 2: Convert to fraction form
    480,256.48/662,805.24 = 276,316.32/x
  3. Step 3: Cross multiply
    480,256.48x = 662,805.24 × 276,316.32
  4. Step 4: Simplify right side
    480,256.48x = 183,143,904,793.52
  5. Step 5: Solve for x
    x = 183,143,904,793.52/480,256.48
  6. Step 6: Final answer
    x = 381,346.04

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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.