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Finding the Fourth Proportional to 502,115.63, 692,925.03 and 275,761.13

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Solution

The fourth proportional to 502,115.63, 692,925.03 and 275,761.13 is: 380,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,115.63 : 692,925.03 = 275,761.13 : x
  2. Step 2: Convert to fraction form
    502,115.63/692,925.03 = 275,761.13/x
  3. Step 3: Cross multiply
    502,115.63x = 692,925.03 × 275,761.13
  4. Step 4: Simplify right side
    502,115.63x = 191,081,785,813.46
  5. Step 5: Solve for x
    x = 191,081,785,813.46/502,115.63
  6. Step 6: Final answer
    x = 380,553.36

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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.