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Finding the Fourth Proportional to 246,387.80, 340,014.43 and 133,210.55

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Solution

The fourth proportional to 246,387.80, 340,014.43 and 133,210.55 is: 183,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,387.80 : 340,014.43 = 133,210.55 : x
  2. Step 2: Convert to fraction form
    246,387.80/340,014.43 = 133,210.55/x
  3. Step 3: Cross multiply
    246,387.80x = 340,014.43 × 133,210.55
  4. Step 4: Simplify right side
    246,387.80x = 45,293,509,228.24
  5. Step 5: Solve for x
    x = 45,293,509,228.24/246,387.80
  6. Step 6: Final answer
    x = 183,830.16

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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.