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Finding the Fourth Proportional to 551,241.53, 760,831.79 and 336,335.45

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Solution

The fourth proportional to 551,241.53, 760,831.79 and 336,335.45 is: 464,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,241.53 : 760,831.79 = 336,335.45 : x
  2. Step 2: Convert to fraction form
    551,241.53/760,831.79 = 336,335.45/x
  3. Step 3: Cross multiply
    551,241.53x = 760,831.79 × 336,335.45
  4. Step 4: Simplify right side
    551,241.53x = 255,894,700,782.28
  5. Step 5: Solve for x
    x = 255,894,700,782.28/551,241.53
  6. Step 6: Final answer
    x = 464,215.21

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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.