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Finding the Fourth Proportional to 564,673.22, 779,250.58 and 310,040.90

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Solution

The fourth proportional to 564,673.22, 779,250.58 and 310,040.90 is: 427,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,673.22 : 779,250.58 = 310,040.90 : x
  2. Step 2: Convert to fraction form
    564,673.22/779,250.58 = 310,040.90/x
  3. Step 3: Cross multiply
    564,673.22x = 779,250.58 × 310,040.90
  4. Step 4: Simplify right side
    564,673.22x = 241,599,551,148.72
  5. Step 5: Solve for x
    x = 241,599,551,148.72/564,673.22
  6. Step 6: Final answer
    x = 427,857.29

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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.