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Finding the Fourth Proportional to 266,925.78, 368,379.45 and 152,240.49

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Solution

The fourth proportional to 266,925.78, 368,379.45 and 152,240.49 is: 210,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,925.78 : 368,379.45 = 152,240.49 : x
  2. Step 2: Convert to fraction form
    266,925.78/368,379.45 = 152,240.49/x
  3. Step 3: Cross multiply
    266,925.78x = 368,379.45 × 152,240.49
  4. Step 4: Simplify right side
    266,925.78x = 56,082,267,973.93
  5. Step 5: Solve for x
    x = 56,082,267,973.93/266,925.78
  6. Step 6: Final answer
    x = 210,104.35

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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.