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Finding the Fourth Proportional to 227,570.10, 319,064.70 and 227,570.10

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Solution

The fourth proportional to 227,570.10, 319,064.70 and 227,570.10 is: 319,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,570.10 : 319,064.70 = 227,570.10 : x
  2. Step 2: Convert to fraction form
    227,570.10/319,064.70 = 227,570.10/x
  3. Step 3: Cross multiply
    227,570.10x = 319,064.70 × 227,570.10
  4. Step 4: Simplify right side
    227,570.10x = 72,609,585,685.47
  5. Step 5: Solve for x
    x = 72,609,585,685.47/227,570.10
  6. Step 6: Final answer
    x = 319,064.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.