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Finding the Fourth Proportional to 704,869.94, 972,708.31 and 382,573.12

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Solution

The fourth proportional to 704,869.94, 972,708.31 and 382,573.12 is: 527,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,869.94 : 972,708.31 = 382,573.12 : x
  2. Step 2: Convert to fraction form
    704,869.94/972,708.31 = 382,573.12/x
  3. Step 3: Cross multiply
    704,869.94x = 972,708.31 × 382,573.12
  4. Step 4: Simplify right side
    704,869.94x = 372,132,046,230.22
  5. Step 5: Solve for x
    x = 372,132,046,230.22/704,869.94
  6. Step 6: Final answer
    x = 527,944.27

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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.