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Finding the Fourth Proportional to 266,007.65, 367,087.34 and 152,830.40

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Solution

The fourth proportional to 266,007.65, 367,087.34 and 152,830.40 is: 210,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,007.65 : 367,087.34 = 152,830.40 : x
  2. Step 2: Convert to fraction form
    266,007.65/367,087.34 = 152,830.40/x
  3. Step 3: Cross multiply
    266,007.65x = 367,087.34 × 152,830.40
  4. Step 4: Simplify right side
    266,007.65x = 56,102,103,553.78
  5. Step 5: Solve for x
    x = 56,102,103,553.78/266,007.65
  6. Step 6: Final answer
    x = 210,904.10

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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.