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Finding the Fourth Proportional to 535,366.20, 802,368.90 and 219,466.20

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Solution

The fourth proportional to 535,366.20, 802,368.90 and 219,466.20 is: 328,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,366.20 : 802,368.90 = 219,466.20 : x
  2. Step 2: Convert to fraction form
    535,366.20/802,368.90 = 219,466.20/x
  3. Step 3: Cross multiply
    535,366.20x = 802,368.90 × 219,466.20
  4. Step 4: Simplify right side
    535,366.20x = 176,092,853,481.18
  5. Step 5: Solve for x
    x = 176,092,853,481.18/535,366.20
  6. Step 6: Final answer
    x = 328,920.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.