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Finding the Fourth Proportional to 609,568.87, 841,616.07 and 380,475.14

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Solution

The fourth proportional to 609,568.87, 841,616.07 and 380,475.14 is: 525,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,568.87 : 841,616.07 = 380,475.14 : x
  2. Step 2: Convert to fraction form
    609,568.87/841,616.07 = 380,475.14/x
  3. Step 3: Cross multiply
    609,568.87x = 841,616.07 × 380,475.14
  4. Step 4: Simplify right side
    609,568.87x = 320,213,992,059.50
  5. Step 5: Solve for x
    x = 320,213,992,059.50/609,568.87
  6. Step 6: Final answer
    x = 525,312.25

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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.