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Finding the Fourth Proportional to 456,781.98, 630,343.06 and 252,833.30

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Solution

The fourth proportional to 456,781.98, 630,343.06 and 252,833.30 is: 348,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,781.98 : 630,343.06 = 252,833.30 : x
  2. Step 2: Convert to fraction form
    456,781.98/630,343.06 = 252,833.30/x
  3. Step 3: Cross multiply
    456,781.98x = 630,343.06 × 252,833.30
  4. Step 4: Simplify right side
    456,781.98x = 159,371,715,994.07
  5. Step 5: Solve for x
    x = 159,371,715,994.07/456,781.98
  6. Step 6: Final answer
    x = 348,901.05

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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.