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Finding the Fourth Proportional to 268,009.04, 369,853 and 148,777.04

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Solution

The fourth proportional to 268,009.04, 369,853 and 148,777.04 is: 205,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,009.04 : 369,853 = 148,777.04 : x
  2. Step 2: Convert to fraction form
    268,009.04/369,853 = 148,777.04/x
  3. Step 3: Cross multiply
    268,009.04x = 369,853 × 148,777.04
  4. Step 4: Simplify right side
    268,009.04x = 55,025,634,575.12
  5. Step 5: Solve for x
    x = 55,025,634,575.12/268,009.04
  6. Step 6: Final answer
    x = 205,312.61

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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.