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Finding the Fourth Proportional to 551,444.60, 825,417.30 and 551,444.60

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Solution

The fourth proportional to 551,444.60, 825,417.30 and 551,444.60 is: 825,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,444.60 : 825,417.30 = 551,444.60 : x
  2. Step 2: Convert to fraction form
    551,444.60/825,417.30 = 551,444.60/x
  3. Step 3: Cross multiply
    551,444.60x = 825,417.30 × 551,444.60
  4. Step 4: Simplify right side
    551,444.60x = 455,171,912,831.58
  5. Step 5: Solve for x
    x = 455,171,912,831.58/551,444.60
  6. Step 6: Final answer
    x = 825,417.30

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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.