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Finding the Fourth Proportional to 574,682.84, 792,233.80 and 402,066.02

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Solution

The fourth proportional to 574,682.84, 792,233.80 and 402,066.02 is: 554,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,682.84 : 792,233.80 = 402,066.02 : x
  2. Step 2: Convert to fraction form
    574,682.84/792,233.80 = 402,066.02/x
  3. Step 3: Cross multiply
    574,682.84x = 792,233.80 × 402,066.02
  4. Step 4: Simplify right side
    574,682.84x = 318,530,290,875.48
  5. Step 5: Solve for x
    x = 318,530,290,875.48/574,682.84
  6. Step 6: Final answer
    x = 554,271.45

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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.