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Finding the Fourth Proportional to 266,428.62, 367,678.58 and 145,568.93

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Solution

The fourth proportional to 266,428.62, 367,678.58 and 145,568.93 is: 200,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,428.62 : 367,678.58 = 145,568.93 : x
  2. Step 2: Convert to fraction form
    266,428.62/367,678.58 = 145,568.93/x
  3. Step 3: Cross multiply
    266,428.62x = 367,678.58 × 145,568.93
  4. Step 4: Simplify right side
    266,428.62x = 53,522,574,908.28
  5. Step 5: Solve for x
    x = 53,522,574,908.28/266,428.62
  6. Step 6: Final answer
    x = 200,888.98

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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.