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Finding the Fourth Proportional to 693,667.01, 957,382.29 and 403,368.41

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Solution

The fourth proportional to 693,667.01, 957,382.29 and 403,368.41 is: 556,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,667.01 : 957,382.29 = 403,368.41 : x
  2. Step 2: Convert to fraction form
    693,667.01/957,382.29 = 403,368.41/x
  3. Step 3: Cross multiply
    693,667.01x = 957,382.29 × 403,368.41
  4. Step 4: Simplify right side
    693,667.01x = 386,177,772,079.46
  5. Step 5: Solve for x
    x = 386,177,772,079.46/693,667.01
  6. Step 6: Final answer
    x = 556,719.24

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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.