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Finding the Fourth Proportional to 649,603.20, 973,627.20 and 333,897.60

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Solution

The fourth proportional to 649,603.20, 973,627.20 and 333,897.60 is: 500,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,603.20 : 973,627.20 = 333,897.60 : x
  2. Step 2: Convert to fraction form
    649,603.20/973,627.20 = 333,897.60/x
  3. Step 3: Cross multiply
    649,603.20x = 973,627.20 × 333,897.60
  4. Step 4: Simplify right side
    649,603.20x = 325,091,785,374.72
  5. Step 5: Solve for x
    x = 325,091,785,374.72/649,603.20
  6. Step 6: Final answer
    x = 500,446.71

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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.