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Finding the Fourth Proportional to 462,212.80, 692,152.80 and 368,900.80

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Solution

The fourth proportional to 462,212.80, 692,152.80 and 368,900.80 is: 552,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,212.80 : 692,152.80 = 368,900.80 : x
  2. Step 2: Convert to fraction form
    462,212.80/692,152.80 = 368,900.80/x
  3. Step 3: Cross multiply
    462,212.80x = 692,152.80 × 368,900.80
  4. Step 4: Simplify right side
    462,212.80x = 255,335,721,642.24
  5. Step 5: Solve for x
    x = 255,335,721,642.24/462,212.80
  6. Step 6: Final answer
    x = 552,420.27

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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.