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Finding the Fourth Proportional to 493,307.19, 680,763.92 and 266,952.69

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Solution

The fourth proportional to 493,307.19, 680,763.92 and 266,952.69 is: 368,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,307.19 : 680,763.92 = 266,952.69 : x
  2. Step 2: Convert to fraction form
    493,307.19/680,763.92 = 266,952.69/x
  3. Step 3: Cross multiply
    493,307.19x = 680,763.92 × 266,952.69
  4. Step 4: Simplify right side
    493,307.19x = 181,731,759,698.95
  5. Step 5: Solve for x
    x = 181,731,759,698.95/493,307.19
  6. Step 6: Final answer
    x = 368,394.71

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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.