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Finding the Fourth Proportional to 705,191.82, 972,924.39 and 450,689.82

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Solution

The fourth proportional to 705,191.82, 972,924.39 and 450,689.82 is: 621,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,191.82 : 972,924.39 = 450,689.82 : x
  2. Step 2: Convert to fraction form
    705,191.82/972,924.39 = 450,689.82/x
  3. Step 3: Cross multiply
    705,191.82x = 972,924.39 × 450,689.82
  4. Step 4: Simplify right side
    705,191.82x = 438,487,118,202.71
  5. Step 5: Solve for x
    x = 438,487,118,202.71/705,191.82
  6. Step 6: Final answer
    x = 621,798.36

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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.