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Finding the Fourth Proportional to 328,857.10, 493,285.65 and 151,710.10

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Solution

The fourth proportional to 328,857.10, 493,285.65 and 151,710.10 is: 227,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,857.10 : 493,285.65 = 151,710.10 : x
  2. Step 2: Convert to fraction form
    328,857.10/493,285.65 = 151,710.10/x
  3. Step 3: Cross multiply
    328,857.10x = 493,285.65 × 151,710.10
  4. Step 4: Simplify right side
    328,857.10x = 74,836,415,290.07
  5. Step 5: Solve for x
    x = 74,836,415,290.07/328,857.10
  6. Step 6: Final answer
    x = 227,565.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.