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Finding the Fourth Proportional to 499,762.07, 749,642.53 and 162,802.18

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Solution

The fourth proportional to 499,762.07, 749,642.53 and 162,802.18 is: 244,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,762.07 : 749,642.53 = 162,802.18 : x
  2. Step 2: Convert to fraction form
    499,762.07/749,642.53 = 162,802.18/x
  3. Step 3: Cross multiply
    499,762.07x = 749,642.53 × 162,802.18
  4. Step 4: Simplify right side
    499,762.07x = 122,043,438,634.76
  5. Step 5: Solve for x
    x = 122,043,438,634.76/499,762.07
  6. Step 6: Final answer
    x = 244,203.08

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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.