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Finding the Fourth Proportional to 372,455.60, 514,044.06 and 219,444.87

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Solution

The fourth proportional to 372,455.60, 514,044.06 and 219,444.87 is: 302,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,455.60 : 514,044.06 = 219,444.87 : x
  2. Step 2: Convert to fraction form
    372,455.60/514,044.06 = 219,444.87/x
  3. Step 3: Cross multiply
    372,455.60x = 514,044.06 × 219,444.87
  4. Step 4: Simplify right side
    372,455.60x = 112,804,331,920.97
  5. Step 5: Solve for x
    x = 112,804,331,920.97/372,455.60
  6. Step 6: Final answer
    x = 302,866.53

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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.