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Finding the Fourth Proportional to 575,892.80, 864,271.20 and 295,265.60

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Solution

The fourth proportional to 575,892.80, 864,271.20 and 295,265.60 is: 443,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,892.80 : 864,271.20 = 295,265.60 : x
  2. Step 2: Convert to fraction form
    575,892.80/864,271.20 = 295,265.60/x
  3. Step 3: Cross multiply
    575,892.80x = 864,271.20 × 295,265.60
  4. Step 4: Simplify right side
    575,892.80x = 255,189,554,430.72
  5. Step 5: Solve for x
    x = 255,189,554,430.72/575,892.80
  6. Step 6: Final answer
    x = 443,119.89

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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.