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Finding the Fourth Proportional to 733,667.40, 1,100,501.10 and 260,400.60

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Solution

The fourth proportional to 733,667.40, 1,100,501.10 and 260,400.60 is: 390,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,667.40 : 1,100,501.10 = 260,400.60 : x
  2. Step 2: Convert to fraction form
    733,667.40/1,100,501.10 = 260,400.60/x
  3. Step 3: Cross multiply
    733,667.40x = 1,100,501.10 × 260,400.60
  4. Step 4: Simplify right side
    733,667.40x = 286,571,146,740.66
  5. Step 5: Solve for x
    x = 286,571,146,740.66/733,667.40
  6. Step 6: Final answer
    x = 390,600.90

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Similar ratio
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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.