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Finding the Fourth Proportional to 654,627.34, 903,306.38 and 364,170.28

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Solution

The fourth proportional to 654,627.34, 903,306.38 and 364,170.28 is: 502,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,627.34 : 903,306.38 = 364,170.28 : x
  2. Step 2: Convert to fraction form
    654,627.34/903,306.38 = 364,170.28/x
  3. Step 3: Cross multiply
    654,627.34x = 903,306.38 × 364,170.28
  4. Step 4: Simplify right side
    654,627.34x = 328,957,337,330.39
  5. Step 5: Solve for x
    x = 328,957,337,330.39/654,627.34
  6. Step 6: Final answer
    x = 502,510.84

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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.