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Finding the Fourth Proportional to 502,101.23, 692,898.89 and 275,746.73

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Solution

The fourth proportional to 502,101.23, 692,898.89 and 275,746.73 is: 380,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,101.23 : 692,898.89 = 275,746.73 : x
  2. Step 2: Convert to fraction form
    502,101.23/692,898.89 = 275,746.73/x
  3. Step 3: Cross multiply
    502,101.23x = 692,898.89 × 275,746.73
  4. Step 4: Simplify right side
    502,101.23x = 191,064,603,138.13
  5. Step 5: Solve for x
    x = 191,064,603,138.13/502,101.23
  6. Step 6: Final answer
    x = 380,530.04

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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.