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Finding the Fourth Proportional to 423,111.10, 583,908.45 and 232,130.02

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Solution

The fourth proportional to 423,111.10, 583,908.45 and 232,130.02 is: 320,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,111.10 : 583,908.45 = 232,130.02 : x
  2. Step 2: Convert to fraction form
    423,111.10/583,908.45 = 232,130.02/x
  3. Step 3: Cross multiply
    423,111.10x = 583,908.45 × 232,130.02
  4. Step 4: Simplify right side
    423,111.10x = 135,542,680,176.67
  5. Step 5: Solve for x
    x = 135,542,680,176.67/423,111.10
  6. Step 6: Final answer
    x = 320,347.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.