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Finding the Fourth Proportional to 456,577.67, 630,330.57 and 275,335.52

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Solution

The fourth proportional to 456,577.67, 630,330.57 and 275,335.52 is: 380,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,577.67 : 630,330.57 = 275,335.52 : x
  2. Step 2: Convert to fraction form
    456,577.67/630,330.57 = 275,335.52/x
  3. Step 3: Cross multiply
    456,577.67x = 630,330.57 × 275,335.52
  4. Step 4: Simplify right side
    456,577.67x = 173,552,392,111.19
  5. Step 5: Solve for x
    x = 173,552,392,111.19/456,577.67
  6. Step 6: Final answer
    x = 380,115.82

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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.