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Finding the Fourth Proportional to 561,301.80, 841,952.70 and 324,522.60

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Solution

The fourth proportional to 561,301.80, 841,952.70 and 324,522.60 is: 486,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,301.80 : 841,952.70 = 324,522.60 : x
  2. Step 2: Convert to fraction form
    561,301.80/841,952.70 = 324,522.60/x
  3. Step 3: Cross multiply
    561,301.80x = 841,952.70 × 324,522.60
  4. Step 4: Simplify right side
    561,301.80x = 273,232,679,281.02
  5. Step 5: Solve for x
    x = 273,232,679,281.02/561,301.80
  6. Step 6: Final answer
    x = 486,783.90

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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.