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Finding the Fourth Proportional to 266,458, 367,712.04 and 153,280.75

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Solution

The fourth proportional to 266,458, 367,712.04 and 153,280.75 is: 211,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,458 : 367,712.04 = 153,280.75 : x
  2. Step 2: Convert to fraction form
    266,458/367,712.04 = 153,280.75/x
  3. Step 3: Cross multiply
    266,458x = 367,712.04 × 153,280.75
  4. Step 4: Simplify right side
    266,458x = 56,363,177,275.23
  5. Step 5: Solve for x
    x = 56,363,177,275.23/266,458
  6. Step 6: Final answer
    x = 211,527.44

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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.