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Finding the Fourth Proportional to 359,037.60, 538,554.76 and 92,775.48

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Solution

The fourth proportional to 359,037.60, 538,554.76 and 92,775.48 is: 139,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,037.60 : 538,554.76 = 92,775.48 : x
  2. Step 2: Convert to fraction form
    359,037.60/538,554.76 = 92,775.48/x
  3. Step 3: Cross multiply
    359,037.60x = 538,554.76 × 92,775.48
  4. Step 4: Simplify right side
    359,037.60x = 49,964,676,365.28
  5. Step 5: Solve for x
    x = 49,964,676,365.28/359,037.60
  6. Step 6: Final answer
    x = 139,162.80

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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.