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Finding the Fourth Proportional to 317,361.80, 437,988.93 and 181,369.17

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Solution

The fourth proportional to 317,361.80, 437,988.93 and 181,369.17 is: 250,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,361.80 : 437,988.93 = 181,369.17 : x
  2. Step 2: Convert to fraction form
    317,361.80/437,988.93 = 181,369.17/x
  3. Step 3: Cross multiply
    317,361.80x = 437,988.93 × 181,369.17
  4. Step 4: Simplify right side
    317,361.80x = 79,437,688,703.29
  5. Step 5: Solve for x
    x = 79,437,688,703.29/317,361.80
  6. Step 6: Final answer
    x = 250,306.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.