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Finding the Fourth Proportional to 359,306.04, 538,959.06 and 109,955.64

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Solution

The fourth proportional to 359,306.04, 538,959.06 and 109,955.64 is: 164,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,306.04 : 538,959.06 = 109,955.64 : x
  2. Step 2: Convert to fraction form
    359,306.04/538,959.06 = 109,955.64/x
  3. Step 3: Cross multiply
    359,306.04x = 538,959.06 × 109,955.64
  4. Step 4: Simplify right side
    359,306.04x = 59,261,588,376.10
  5. Step 5: Solve for x
    x = 59,261,588,376.10/359,306.04
  6. Step 6: Final answer
    x = 164,933.46

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Similar ratio
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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.