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Finding the Fourth Proportional to 616,794.84, 850,919.04 and 480,592.32

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Solution

The fourth proportional to 616,794.84, 850,919.04 and 480,592.32 is: 663,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,794.84 : 850,919.04 = 480,592.32 : x
  2. Step 2: Convert to fraction form
    616,794.84/850,919.04 = 480,592.32/x
  3. Step 3: Cross multiply
    616,794.84x = 850,919.04 × 480,592.32
  4. Step 4: Simplify right side
    616,794.84x = 408,945,155,565.77
  5. Step 5: Solve for x
    x = 408,945,155,565.77/616,794.84
  6. Step 6: Final answer
    x = 663,016.50

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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.