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Finding the Fourth Proportional to 569,154.44, 785,402.28 and 314,489.22

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Solution

The fourth proportional to 569,154.44, 785,402.28 and 314,489.22 is: 433,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,154.44 : 785,402.28 = 314,489.22 : x
  2. Step 2: Convert to fraction form
    569,154.44/785,402.28 = 314,489.22/x
  3. Step 3: Cross multiply
    569,154.44x = 785,402.28 × 314,489.22
  4. Step 4: Simplify right side
    569,154.44x = 247,000,550,423.42
  5. Step 5: Solve for x
    x = 247,000,550,423.42/569,154.44
  6. Step 6: Final answer
    x = 433,978.08

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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.