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Finding the Fourth Proportional to 368,846.80, 553,270.20 and 333,854.80

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Solution

The fourth proportional to 368,846.80, 553,270.20 and 333,854.80 is: 500,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,846.80 : 553,270.20 = 333,854.80 : x
  2. Step 2: Convert to fraction form
    368,846.80/553,270.20 = 333,854.80/x
  3. Step 3: Cross multiply
    368,846.80x = 553,270.20 × 333,854.80
  4. Step 4: Simplify right side
    368,846.80x = 184,711,911,966.96
  5. Step 5: Solve for x
    x = 184,711,911,966.96/368,846.80
  6. Step 6: Final answer
    x = 500,782.20

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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.