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Finding the Fourth Proportional to 529,582.50, 794,373.75 and 155,605.50

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Solution

The fourth proportional to 529,582.50, 794,373.75 and 155,605.50 is: 233,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,582.50 : 794,373.75 = 155,605.50 : x
  2. Step 2: Convert to fraction form
    529,582.50/794,373.75 = 155,605.50/x
  3. Step 3: Cross multiply
    529,582.50x = 794,373.75 × 155,605.50
  4. Step 4: Simplify right side
    529,582.50x = 123,608,924,555.63
  5. Step 5: Solve for x
    x = 123,608,924,555.63/529,582.50
  6. Step 6: Final answer
    x = 233,408.25

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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.