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Finding the Fourth Proportional to 356,969.90, 535,595.03 and 157,150.09

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Solution

The fourth proportional to 356,969.90, 535,595.03 and 157,150.09 is: 235,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,969.90 : 535,595.03 = 157,150.09 : x
  2. Step 2: Convert to fraction form
    356,969.90/535,595.03 = 157,150.09/x
  3. Step 3: Cross multiply
    356,969.90x = 535,595.03 × 157,150.09
  4. Step 4: Simplify right side
    356,969.90x = 84,168,808,525.08
  5. Step 5: Solve for x
    x = 84,168,808,525.08/356,969.90
  6. Step 6: Final answer
    x = 235,786.85

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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.