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Finding the Fourth Proportional to 609,840.56, 915,598.64 and 310,522.16

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Solution

The fourth proportional to 609,840.56, 915,598.64 and 310,522.16 is: 466,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,840.56 : 915,598.64 = 310,522.16 : x
  2. Step 2: Convert to fraction form
    609,840.56/915,598.64 = 310,522.16/x
  3. Step 3: Cross multiply
    609,840.56x = 915,598.64 × 310,522.16
  4. Step 4: Simplify right side
    609,840.56x = 284,313,667,385.86
  5. Step 5: Solve for x
    x = 284,313,667,385.86/609,840.56
  6. Step 6: Final answer
    x = 466,209.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.