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Finding the Fourth Proportional to 423,066.94, 583,614.96 and 277,851.90

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Solution

The fourth proportional to 423,066.94, 583,614.96 and 277,851.90 is: 383,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,066.94 : 583,614.96 = 277,851.90 : x
  2. Step 2: Convert to fraction form
    423,066.94/583,614.96 = 277,851.90/x
  3. Step 3: Cross multiply
    423,066.94x = 583,614.96 × 277,851.90
  4. Step 4: Simplify right side
    423,066.94x = 162,158,525,504.42
  5. Step 5: Solve for x
    x = 162,158,525,504.42/423,066.94
  6. Step 6: Final answer
    x = 383,292.83

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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.