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Finding the Fourth Proportional to 573,783.80, 858,707.40 and 526,544.60

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Solution

The fourth proportional to 573,783.80, 858,707.40 and 526,544.60 is: 788,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,783.80 : 858,707.40 = 526,544.60 : x
  2. Step 2: Convert to fraction form
    573,783.80/858,707.40 = 526,544.60/x
  3. Step 3: Cross multiply
    573,783.80x = 858,707.40 × 526,544.60
  4. Step 4: Simplify right side
    573,783.80x = 452,147,744,450.04
  5. Step 5: Solve for x
    x = 452,147,744,450.04/573,783.80
  6. Step 6: Final answer
    x = 788,010.65

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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.