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Finding the Fourth Proportional to 474,831.36, 712,595.52 and 382,452.48

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Solution

The fourth proportional to 474,831.36, 712,595.52 and 382,452.48 is: 573,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,831.36 : 712,595.52 = 382,452.48 : x
  2. Step 2: Convert to fraction form
    474,831.36/712,595.52 = 382,452.48/x
  3. Step 3: Cross multiply
    474,831.36x = 712,595.52 × 382,452.48
  4. Step 4: Simplify right side
    474,831.36x = 272,533,923,860.89
  5. Step 5: Solve for x
    x = 272,533,923,860.89/474,831.36
  6. Step 6: Final answer
    x = 573,959.40

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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.