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Finding the Fourth Proportional to 369,154.80, 551,709.09 and 269,524.80

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Solution

The fourth proportional to 369,154.80, 551,709.09 and 269,524.80 is: 402,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,154.80 : 551,709.09 = 269,524.80 : x
  2. Step 2: Convert to fraction form
    369,154.80/551,709.09 = 269,524.80/x
  3. Step 3: Cross multiply
    369,154.80x = 551,709.09 × 269,524.80
  4. Step 4: Simplify right side
    369,154.80x = 148,699,282,140.43
  5. Step 5: Solve for x
    x = 148,699,282,140.43/369,154.80
  6. Step 6: Final answer
    x = 402,810.10

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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.