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Finding the Fourth Proportional to 511,894.80, 767,842.20 and 473,403.60

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Solution

The fourth proportional to 511,894.80, 767,842.20 and 473,403.60 is: 710,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,894.80 : 767,842.20 = 473,403.60 : x
  2. Step 2: Convert to fraction form
    511,894.80/767,842.20 = 473,403.60/x
  3. Step 3: Cross multiply
    511,894.80x = 767,842.20 × 473,403.60
  4. Step 4: Simplify right side
    511,894.80x = 363,499,261,711.92
  5. Step 5: Solve for x
    x = 363,499,261,711.92/511,894.80
  6. Step 6: Final answer
    x = 710,105.40

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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.