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Finding the Fourth Proportional to 538,920.92, 743,701.04 and 297,225.96

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Solution

The fourth proportional to 538,920.92, 743,701.04 and 297,225.96 is: 410,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,920.92 : 743,701.04 = 297,225.96 : x
  2. Step 2: Convert to fraction form
    538,920.92/743,701.04 = 297,225.96/x
  3. Step 3: Cross multiply
    538,920.92x = 743,701.04 × 297,225.96
  4. Step 4: Simplify right side
    538,920.92x = 221,047,255,567.00
  5. Step 5: Solve for x
    x = 221,047,255,567.00/538,920.92
  6. Step 6: Final answer
    x = 410,166.40

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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.