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Finding the Fourth Proportional to 502,801.48, 693,868.77 and 296,078.84

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Solution

The fourth proportional to 502,801.48, 693,868.77 and 296,078.84 is: 408,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,801.48 : 693,868.77 = 296,078.84 : x
  2. Step 2: Convert to fraction form
    502,801.48/693,868.77 = 296,078.84/x
  3. Step 3: Cross multiply
    502,801.48x = 693,868.77 × 296,078.84
  4. Step 4: Simplify right side
    502,801.48x = 205,439,864,402.22
  5. Step 5: Solve for x
    x = 205,439,864,402.22/502,801.48
  6. Step 6: Final answer
    x = 408,590.41

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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.