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Finding the Fourth Proportional to 731,712.80, 1,097,050.80 and 332,544.80

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Solution

The fourth proportional to 731,712.80, 1,097,050.80 and 332,544.80 is: 498,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,712.80 : 1,097,050.80 = 332,544.80 : x
  2. Step 2: Convert to fraction form
    731,712.80/1,097,050.80 = 332,544.80/x
  3. Step 3: Cross multiply
    731,712.80x = 1,097,050.80 × 332,544.80
  4. Step 4: Simplify right side
    731,712.80x = 364,818,538,875.84
  5. Step 5: Solve for x
    x = 364,818,538,875.84/731,712.80
  6. Step 6: Final answer
    x = 498,581.60

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Double scale
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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.