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Finding the Fourth Proportional to 301,036.55, 415,089.93 and 191,995.04

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Solution

The fourth proportional to 301,036.55, 415,089.93 and 191,995.04 is: 264,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,036.55 : 415,089.93 = 191,995.04 : x
  2. Step 2: Convert to fraction form
    301,036.55/415,089.93 = 191,995.04/x
  3. Step 3: Cross multiply
    301,036.55x = 415,089.93 × 191,995.04
  4. Step 4: Simplify right side
    301,036.55x = 79,695,209,471.65
  5. Step 5: Solve for x
    x = 79,695,209,471.65/301,036.55
  6. Step 6: Final answer
    x = 264,735.99

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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.