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Finding the Fourth Proportional to 473,860.80, 710,791.20 and 118,886.40

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Solution

The fourth proportional to 473,860.80, 710,791.20 and 118,886.40 is: 178,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,860.80 : 710,791.20 = 118,886.40 : x
  2. Step 2: Convert to fraction form
    473,860.80/710,791.20 = 118,886.40/x
  3. Step 3: Cross multiply
    473,860.80x = 710,791.20 × 118,886.40
  4. Step 4: Simplify right side
    473,860.80x = 84,503,406,919.68
  5. Step 5: Solve for x
    x = 84,503,406,919.68/473,860.80
  6. Step 6: Final answer
    x = 178,329.60

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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.