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Finding the Fourth Proportional to 456,601.60, 630,712.16 and 350,482.88

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Solution

The fourth proportional to 456,601.60, 630,712.16 and 350,482.88 is: 484,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,601.60 : 630,712.16 = 350,482.88 : x
  2. Step 2: Convert to fraction form
    456,601.60/630,712.16 = 350,482.88/x
  3. Step 3: Cross multiply
    456,601.60x = 630,712.16 × 350,482.88
  4. Step 4: Simplify right side
    456,601.60x = 221,053,814,287.82
  5. Step 5: Solve for x
    x = 221,053,814,287.82/456,601.60
  6. Step 6: Final answer
    x = 484,128.43

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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.