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Finding the Fourth Proportional to 358,989.94, 538,548.95 and 119,118.25

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Solution

The fourth proportional to 358,989.94, 538,548.95 and 119,118.25 is: 178,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,989.94 : 538,548.95 = 119,118.25 : x
  2. Step 2: Convert to fraction form
    358,989.94/538,548.95 = 119,118.25/x
  3. Step 3: Cross multiply
    358,989.94x = 538,548.95 × 119,118.25
  4. Step 4: Simplify right side
    358,989.94x = 64,151,008,463.34
  5. Step 5: Solve for x
    x = 64,151,008,463.34/358,989.94
  6. Step 6: Final answer
    x = 178,698.62

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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.