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Finding the Fourth Proportional to 369,040.40, 551,538.42 and 269,410.40

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Solution

The fourth proportional to 369,040.40, 551,538.42 and 269,410.40 is: 402,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,040.40 : 551,538.42 = 269,410.40 : x
  2. Step 2: Convert to fraction form
    369,040.40/551,538.42 = 269,410.40/x
  3. Step 3: Cross multiply
    369,040.40x = 551,538.42 × 269,410.40
  4. Step 4: Simplify right side
    369,040.40x = 148,590,185,000.52
  5. Step 5: Solve for x
    x = 148,590,185,000.52/369,040.40
  6. Step 6: Final answer
    x = 402,639.35

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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.