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Finding the Fourth Proportional to 673,655.20, 1,010,482.80 and 461,078.80

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Solution

The fourth proportional to 673,655.20, 1,010,482.80 and 461,078.80 is: 691,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,655.20 : 1,010,482.80 = 461,078.80 : x
  2. Step 2: Convert to fraction form
    673,655.20/1,010,482.80 = 461,078.80/x
  3. Step 3: Cross multiply
    673,655.20x = 1,010,482.80 × 461,078.80
  4. Step 4: Simplify right side
    673,655.20x = 465,912,196,844.64
  5. Step 5: Solve for x
    x = 465,912,196,844.64/673,655.20
  6. Step 6: Final answer
    x = 691,618.20

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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.