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Finding the Fourth Proportional to 514,876.30, 710,529.51 and 313,672.30

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Solution

The fourth proportional to 514,876.30, 710,529.51 and 313,672.30 is: 432,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,876.30 : 710,529.51 = 313,672.30 : x
  2. Step 2: Convert to fraction form
    514,876.30/710,529.51 = 313,672.30/x
  3. Step 3: Cross multiply
    514,876.30x = 710,529.51 × 313,672.30
  4. Step 4: Simplify right side
    514,876.30x = 222,873,425,619.57
  5. Step 5: Solve for x
    x = 222,873,425,619.57/514,876.30
  6. Step 6: Final answer
    x = 432,867.91

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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.