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Finding the Fourth Proportional to 575,021.52, 791,818.20 and 562,276.44

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Solution

The fourth proportional to 575,021.52, 791,818.20 and 562,276.44 is: 774,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,021.52 : 791,818.20 = 562,276.44 : x
  2. Step 2: Convert to fraction form
    575,021.52/791,818.20 = 562,276.44/x
  3. Step 3: Cross multiply
    575,021.52x = 791,818.20 × 562,276.44
  4. Step 4: Simplify right side
    575,021.52x = 445,220,718,623.21
  5. Step 5: Solve for x
    x = 445,220,718,623.21/575,021.52
  6. Step 6: Final answer
    x = 774,267.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.