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Finding the Fourth Proportional to 478,858.32, 718,283.16 and 183,370.32

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Solution

The fourth proportional to 478,858.32, 718,283.16 and 183,370.32 is: 275,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,858.32 : 718,283.16 = 183,370.32 : x
  2. Step 2: Convert to fraction form
    478,858.32/718,283.16 = 183,370.32/x
  3. Step 3: Cross multiply
    478,858.32x = 718,283.16 × 183,370.32
  4. Step 4: Simplify right side
    478,858.32x = 131,711,812,899.81
  5. Step 5: Solve for x
    x = 131,711,812,899.81/478,858.32
  6. Step 6: Final answer
    x = 275,053.83

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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.