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Finding the Fourth Proportional to 476,587.92, 658,277.64 and 356,266.50

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Solution

The fourth proportional to 476,587.92, 658,277.64 and 356,266.50 is: 492,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,587.92 : 658,277.64 = 356,266.50 : x
  2. Step 2: Convert to fraction form
    476,587.92/658,277.64 = 356,266.50/x
  3. Step 3: Cross multiply
    476,587.92x = 658,277.64 × 356,266.50
  4. Step 4: Simplify right side
    476,587.92x = 234,522,270,831.06
  5. Step 5: Solve for x
    x = 234,522,270,831.06/476,587.92
  6. Step 6: Final answer
    x = 492,086.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.