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Finding the Fourth Proportional to 366,861.60, 550,292.40 and 260,573.40

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Solution

The fourth proportional to 366,861.60, 550,292.40 and 260,573.40 is: 390,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,861.60 : 550,292.40 = 260,573.40 : x
  2. Step 2: Convert to fraction form
    366,861.60/550,292.40 = 260,573.40/x
  3. Step 3: Cross multiply
    366,861.60x = 550,292.40 × 260,573.40
  4. Step 4: Simplify right side
    366,861.60x = 143,391,561,662.16
  5. Step 5: Solve for x
    x = 143,391,561,662.16/366,861.60
  6. Step 6: Final answer
    x = 390,860.10

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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.