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Finding the Fourth Proportional to 466,074.69, 643,155.63 and 259,337.58

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Solution

The fourth proportional to 466,074.69, 643,155.63 and 259,337.58 is: 357,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,074.69 : 643,155.63 = 259,337.58 : x
  2. Step 2: Convert to fraction form
    466,074.69/643,155.63 = 259,337.58/x
  3. Step 3: Cross multiply
    466,074.69x = 643,155.63 × 259,337.58
  4. Step 4: Simplify right side
    466,074.69x = 166,794,424,647.58
  5. Step 5: Solve for x
    x = 166,794,424,647.58/466,074.69
  6. Step 6: Final answer
    x = 357,870.59

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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.