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Finding the Fourth Proportional to 950,502.59, 1,311,693.31 and 520,799.03

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Solution

The fourth proportional to 950,502.59, 1,311,693.31 and 520,799.03 is: 718,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,502.59 : 1,311,693.31 = 520,799.03 : x
  2. Step 2: Convert to fraction form
    950,502.59/1,311,693.31 = 520,799.03/x
  3. Step 3: Cross multiply
    950,502.59x = 1,311,693.31 × 520,799.03
  4. Step 4: Simplify right side
    950,502.59x = 683,128,603,505.49
  5. Step 5: Solve for x
    x = 683,128,603,505.49/950,502.59
  6. Step 6: Final answer
    x = 718,702.52

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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.