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Finding the Fourth Proportional to 369,638.36, 551,783.56 and 324,798.20

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Solution

The fourth proportional to 369,638.36, 551,783.56 and 324,798.20 is: 484,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,638.36 : 551,783.56 = 324,798.20 : x
  2. Step 2: Convert to fraction form
    369,638.36/551,783.56 = 324,798.20/x
  3. Step 3: Cross multiply
    369,638.36x = 551,783.56 × 324,798.20
  4. Step 4: Simplify right side
    369,638.36x = 179,218,307,077.59
  5. Step 5: Solve for x
    x = 179,218,307,077.59/369,638.36
  6. Step 6: Final answer
    x = 484,847.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.