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Finding the Fourth Proportional to 365,482.78, 548,275.70 and 112,783.84

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Solution

The fourth proportional to 365,482.78, 548,275.70 and 112,783.84 is: 169,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,482.78 : 548,275.70 = 112,783.84 : x
  2. Step 2: Convert to fraction form
    365,482.78/548,275.70 = 112,783.84/x
  3. Step 3: Cross multiply
    365,482.78x = 548,275.70 × 112,783.84
  4. Step 4: Simplify right side
    365,482.78x = 61,836,637,735.96
  5. Step 5: Solve for x
    x = 61,836,637,735.96/365,482.78
  6. Step 6: Final answer
    x = 169,191.66

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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.