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Finding the Fourth Proportional to 569,199.72, 785,428.74 and 314,535.72

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Solution

The fourth proportional to 569,199.72, 785,428.74 and 314,535.72 is: 434,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,199.72 : 785,428.74 = 314,535.72 : x
  2. Step 2: Convert to fraction form
    569,199.72/785,428.74 = 314,535.72/x
  3. Step 3: Cross multiply
    569,199.72x = 785,428.74 × 314,535.72
  4. Step 4: Simplify right side
    569,199.72x = 247,045,394,244.59
  5. Step 5: Solve for x
    x = 247,045,394,244.59/569,199.72
  6. Step 6: Final answer
    x = 434,022.34

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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.