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Finding the Fourth Proportional to 341,378.66, 470,899.32 and 220,590.92

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Solution

The fourth proportional to 341,378.66, 470,899.32 and 220,590.92 is: 304,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,378.66 : 470,899.32 = 220,590.92 : x
  2. Step 2: Convert to fraction form
    341,378.66/470,899.32 = 220,590.92/x
  3. Step 3: Cross multiply
    341,378.66x = 470,899.32 × 220,590.92
  4. Step 4: Simplify right side
    341,378.66x = 103,876,114,226.17
  5. Step 5: Solve for x
    x = 103,876,114,226.17/341,378.66
  6. Step 6: Final answer
    x = 304,284.15

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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.