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Finding the Fourth Proportional to 400,673.38, 552,927.25 and 219,382.02

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Solution

The fourth proportional to 400,673.38, 552,927.25 and 219,382.02 is: 302,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,673.38 : 552,927.25 = 219,382.02 : x
  2. Step 2: Convert to fraction form
    400,673.38/552,927.25 = 219,382.02/x
  3. Step 3: Cross multiply
    400,673.38x = 552,927.25 × 219,382.02
  4. Step 4: Simplify right side
    400,673.38x = 121,302,293,156.50
  5. Step 5: Solve for x
    x = 121,302,293,156.50/400,673.38
  6. Step 6: Final answer
    x = 302,746.08

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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.