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Finding the Fourth Proportional to 478,772.32, 718,154.16 and 183,284.32

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Solution

The fourth proportional to 478,772.32, 718,154.16 and 183,284.32 is: 274,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,772.32 : 718,154.16 = 183,284.32 : x
  2. Step 2: Convert to fraction form
    478,772.32/718,154.16 = 183,284.32/x
  3. Step 3: Cross multiply
    478,772.32x = 718,154.16 × 183,284.32
  4. Step 4: Simplify right side
    478,772.32x = 131,626,396,870.77
  5. Step 5: Solve for x
    x = 131,626,396,870.77/478,772.32
  6. Step 6: Final answer
    x = 274,924.83

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Similar ratio
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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.