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Finding the Fourth Proportional to 692,202.32, 955,237.38 and 386,275.44

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Solution

The fourth proportional to 692,202.32, 955,237.38 and 386,275.44 is: 533,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,202.32 : 955,237.38 = 386,275.44 : x
  2. Step 2: Convert to fraction form
    692,202.32/955,237.38 = 386,275.44/x
  3. Step 3: Cross multiply
    692,202.32x = 955,237.38 × 386,275.44
  4. Step 4: Simplify right side
    692,202.32x = 368,984,739,263.95
  5. Step 5: Solve for x
    x = 368,984,739,263.95/692,202.32
  6. Step 6: Final answer
    x = 533,059.09

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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.