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Finding the Fourth Proportional to 692,192.42, 955,223.74 and 386,265.56

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Solution

The fourth proportional to 692,192.42, 955,223.74 and 386,265.56 is: 533,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,192.42 : 955,223.74 = 386,265.56 : x
  2. Step 2: Convert to fraction form
    692,192.42/955,223.74 = 386,265.56/x
  3. Step 3: Cross multiply
    692,192.42x = 955,223.74 × 386,265.56
  4. Step 4: Simplify right side
    692,192.42x = 368,970,027,114.61
  5. Step 5: Solve for x
    x = 368,970,027,114.61/692,192.42
  6. Step 6: Final answer
    x = 533,045.46

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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.