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Finding the Fourth Proportional to 606,354.98, 909,535.16 and 157,043.93

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Solution

The fourth proportional to 606,354.98, 909,535.16 and 157,043.93 is: 235,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,354.98 : 909,535.16 = 157,043.93 : x
  2. Step 2: Convert to fraction form
    606,354.98/909,535.16 = 157,043.93/x
  3. Step 3: Cross multiply
    606,354.98x = 909,535.16 × 157,043.93
  4. Step 4: Simplify right side
    606,354.98x = 142,836,971,844.51
  5. Step 5: Solve for x
    x = 142,836,971,844.51/606,354.98
  6. Step 6: Final answer
    x = 235,566.59

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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.