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Finding the Fourth Proportional to 575,973.20, 862,404.60 and 575,973.20

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Solution

The fourth proportional to 575,973.20, 862,404.60 and 575,973.20 is: 862,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,973.20 : 862,404.60 = 575,973.20 : x
  2. Step 2: Convert to fraction form
    575,973.20/862,404.60 = 575,973.20/x
  3. Step 3: Cross multiply
    575,973.20x = 862,404.60 × 575,973.20
  4. Step 4: Simplify right side
    575,973.20x = 496,721,937,156.72
  5. Step 5: Solve for x
    x = 496,721,937,156.72/575,973.20
  6. Step 6: Final answer
    x = 862,404.60

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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.