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Finding the Fourth Proportional to 569,202.72, 785,432.88 and 314,538.72

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Solution

The fourth proportional to 569,202.72, 785,432.88 and 314,538.72 is: 434,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,202.72 : 785,432.88 = 314,538.72 : x
  2. Step 2: Convert to fraction form
    569,202.72/785,432.88 = 314,538.72/x
  3. Step 3: Cross multiply
    569,202.72x = 785,432.88 × 314,538.72
  4. Step 4: Simplify right side
    569,202.72x = 247,049,052,721.11
  5. Step 5: Solve for x
    x = 247,049,052,721.11/569,202.72
  6. Step 6: Final answer
    x = 434,026.48

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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.