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Finding the Fourth Proportional to 893,226.04, 1,232,637 and 485,334.13

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Solution

The fourth proportional to 893,226.04, 1,232,637 and 485,334.13 is: 669,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,226.04 : 1,232,637 = 485,334.13 : x
  2. Step 2: Convert to fraction form
    893,226.04/1,232,637 = 485,334.13/x
  3. Step 3: Cross multiply
    893,226.04x = 1,232,637 × 485,334.13
  4. Step 4: Simplify right side
    893,226.04x = 598,240,806,000.81
  5. Step 5: Solve for x
    x = 598,240,806,000.81/893,226.04
  6. Step 6: Final answer
    x = 669,752.98

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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.