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Finding the Fourth Proportional to 554,854.79, 765,617.50 and 336,950.14

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Solution

The fourth proportional to 554,854.79, 765,617.50 and 336,950.14 is: 464,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,854.79 : 765,617.50 = 336,950.14 : x
  2. Step 2: Convert to fraction form
    554,854.79/765,617.50 = 336,950.14/x
  3. Step 3: Cross multiply
    554,854.79x = 765,617.50 × 336,950.14
  4. Step 4: Simplify right side
    554,854.79x = 257,974,923,811.45
  5. Step 5: Solve for x
    x = 257,974,923,811.45/554,854.79
  6. Step 6: Final answer
    x = 464,941.33

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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.