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Finding the Fourth Proportional to 525,149.51, 724,794.83 and 304,353.95

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Solution

The fourth proportional to 525,149.51, 724,794.83 and 304,353.95 is: 420,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,149.51 : 724,794.83 = 304,353.95 : x
  2. Step 2: Convert to fraction form
    525,149.51/724,794.83 = 304,353.95/x
  3. Step 3: Cross multiply
    525,149.51x = 724,794.83 × 304,353.95
  4. Step 4: Simplify right side
    525,149.51x = 220,594,164,304.34
  5. Step 5: Solve for x
    x = 220,594,164,304.34/525,149.51
  6. Step 6: Final answer
    x = 420,059.74

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1.5x scale

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.