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Finding the Fourth Proportional to 768,462.04, 1,152,726 and 236,004.22

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Solution

The fourth proportional to 768,462.04, 1,152,726 and 236,004.22 is: 354,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,462.04 : 1,152,726 = 236,004.22 : x
  2. Step 2: Convert to fraction form
    768,462.04/1,152,726 = 236,004.22/x
  3. Step 3: Cross multiply
    768,462.04x = 1,152,726 × 236,004.22
  4. Step 4: Simplify right side
    768,462.04x = 272,048,200,503.72
  5. Step 5: Solve for x
    x = 272,048,200,503.72/768,462.04
  6. Step 6: Final answer
    x = 354,016.45

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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.