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Finding the Fourth Proportional to 193,482.40, 290,223.60 and 181,818.40

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Solution

The fourth proportional to 193,482.40, 290,223.60 and 181,818.40 is: 272,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,482.40 : 290,223.60 = 181,818.40 : x
  2. Step 2: Convert to fraction form
    193,482.40/290,223.60 = 181,818.40/x
  3. Step 3: Cross multiply
    193,482.40x = 290,223.60 × 181,818.40
  4. Step 4: Simplify right side
    193,482.40x = 52,767,990,594.24
  5. Step 5: Solve for x
    x = 52,767,990,594.24/193,482.40
  6. Step 6: Final answer
    x = 272,727.60

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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.