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Finding the Fourth Proportional to 495,262.77, 743,000.73 and 153,699.45

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Solution

The fourth proportional to 495,262.77, 743,000.73 and 153,699.45 is: 230,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,262.77 : 743,000.73 = 153,699.45 : x
  2. Step 2: Convert to fraction form
    495,262.77/743,000.73 = 153,699.45/x
  3. Step 3: Cross multiply
    495,262.77x = 743,000.73 × 153,699.45
  4. Step 4: Simplify right side
    495,262.77x = 114,198,803,550.60
  5. Step 5: Solve for x
    x = 114,198,803,550.60/495,262.77
  6. Step 6: Final answer
    x = 230,582.25

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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.