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Finding the Fourth Proportional to 367,880.76, 507,678.80 and 222,689.88

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Solution

The fourth proportional to 367,880.76, 507,678.80 and 222,689.88 is: 307,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,880.76 : 507,678.80 = 222,689.88 : x
  2. Step 2: Convert to fraction form
    367,880.76/507,678.80 = 222,689.88/x
  3. Step 3: Cross multiply
    367,880.76x = 507,678.80 × 222,689.88
  4. Step 4: Simplify right side
    367,880.76x = 113,054,931,050.54
  5. Step 5: Solve for x
    x = 113,054,931,050.54/367,880.76
  6. Step 6: Final answer
    x = 307,314.06

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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.