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Finding the Fourth Proportional to 456,552.56, 630,044.70 and 255,348.56

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Solution

The fourth proportional to 456,552.56, 630,044.70 and 255,348.56 is: 352,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,552.56 : 630,044.70 = 255,348.56 : x
  2. Step 2: Convert to fraction form
    456,552.56/630,044.70 = 255,348.56/x
  3. Step 3: Cross multiply
    456,552.56x = 630,044.70 × 255,348.56
  4. Step 4: Simplify right side
    456,552.56x = 160,881,007,498.19
  5. Step 5: Solve for x
    x = 160,881,007,498.19/456,552.56
  6. Step 6: Final answer
    x = 352,382.22

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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.