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Finding the Fourth Proportional to 359,242.50, 538,955.28 and 106,532.22

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Solution

The fourth proportional to 359,242.50, 538,955.28 and 106,532.22 is: 159,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,242.50 : 538,955.28 = 106,532.22 : x
  2. Step 2: Convert to fraction form
    359,242.50/538,955.28 = 106,532.22/x
  3. Step 3: Cross multiply
    359,242.50x = 538,955.28 × 106,532.22
  4. Step 4: Simplify right side
    359,242.50x = 57,416,102,459.12
  5. Step 5: Solve for x
    x = 57,416,102,459.12/359,242.50
  6. Step 6: Final answer
    x = 159,825.47

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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.