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Finding the Fourth Proportional to 1,234,905, 1,851,832.08 and 761,463.24

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Solution

The fourth proportional to 1,234,905, 1,851,832.08 and 761,463.24 is: 1,141,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,905 : 1,851,832.08 = 761,463.24 : x
  2. Step 2: Convert to fraction form
    1,234,905/1,851,832.08 = 761,463.24/x
  3. Step 3: Cross multiply
    1,234,905x = 1,851,832.08 × 761,463.24
  4. Step 4: Simplify right side
    1,234,905x = 1,410,102,055,572.74
  5. Step 5: Solve for x
    x = 1,410,102,055,572.74/1,234,905
  6. Step 6: Final answer
    x = 1,141,870.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.