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Finding the Fourth Proportional to 576,870.60, 794,956.74 and 415,420.60

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Solution

The fourth proportional to 576,870.60, 794,956.74 and 415,420.60 is: 572,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,870.60 : 794,956.74 = 415,420.60 : x
  2. Step 2: Convert to fraction form
    576,870.60/794,956.74 = 415,420.60/x
  3. Step 3: Cross multiply
    576,870.60x = 794,956.74 × 415,420.60
  4. Step 4: Simplify right side
    576,870.60x = 330,241,405,904.84
  5. Step 5: Solve for x
    x = 330,241,405,904.84/576,870.60
  6. Step 6: Final answer
    x = 572,470.51

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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.