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Finding the Fourth Proportional to 574,259.08, 792,463.55 and 316,133.93

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Solution

The fourth proportional to 574,259.08, 792,463.55 and 316,133.93 is: 436,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,259.08 : 792,463.55 = 316,133.93 : x
  2. Step 2: Convert to fraction form
    574,259.08/792,463.55 = 316,133.93/x
  3. Step 3: Cross multiply
    574,259.08x = 792,463.55 × 316,133.93
  4. Step 4: Simplify right side
    574,259.08x = 250,524,612,881.42
  5. Step 5: Solve for x
    x = 250,524,612,881.42/574,259.08
  6. Step 6: Final answer
    x = 436,257.12

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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.