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Finding the Fourth Proportional to 649,074.40, 973,150.80 and 249,560.80

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Solution

The fourth proportional to 649,074.40, 973,150.80 and 249,560.80 is: 374,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,074.40 : 973,150.80 = 249,560.80 : x
  2. Step 2: Convert to fraction form
    649,074.40/973,150.80 = 249,560.80/x
  3. Step 3: Cross multiply
    649,074.40x = 973,150.80 × 249,560.80
  4. Step 4: Simplify right side
    649,074.40x = 242,860,292,168.64
  5. Step 5: Solve for x
    x = 242,860,292,168.64/649,074.40
  6. Step 6: Final answer
    x = 374,164.03

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Double scale
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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.