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Finding the Fourth Proportional to 573,470.96, 791,303.11 and 328,417.61

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Solution

The fourth proportional to 573,470.96, 791,303.11 and 328,417.61 is: 453,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,470.96 : 791,303.11 = 328,417.61 : x
  2. Step 2: Convert to fraction form
    573,470.96/791,303.11 = 328,417.61/x
  3. Step 3: Cross multiply
    573,470.96x = 791,303.11 × 328,417.61
  4. Step 4: Simplify right side
    573,470.96x = 259,877,871,394.21
  5. Step 5: Solve for x
    x = 259,877,871,394.21/573,470.96
  6. Step 6: Final answer
    x = 453,166.58

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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.