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Finding the Fourth Proportional to 625,011.45, 937,864.65 and 305,167.23

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Solution

The fourth proportional to 625,011.45, 937,864.65 and 305,167.23 is: 457,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,011.45 : 937,864.65 = 305,167.23 : x
  2. Step 2: Convert to fraction form
    625,011.45/937,864.65 = 305,167.23/x
  3. Step 3: Cross multiply
    625,011.45x = 937,864.65 × 305,167.23
  4. Step 4: Simplify right side
    625,011.45x = 286,205,557,355.42
  5. Step 5: Solve for x
    x = 286,205,557,355.42/625,011.45
  6. Step 6: Final answer
    x = 457,920.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.