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Finding the Fourth Proportional to 359,116.30, 538,674.36 and 92,903.68

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Solution

The fourth proportional to 359,116.30, 538,674.36 and 92,903.68 is: 139,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,116.30 : 538,674.36 = 92,903.68 : x
  2. Step 2: Convert to fraction form
    359,116.30/538,674.36 = 92,903.68/x
  3. Step 3: Cross multiply
    359,116.30x = 538,674.36 × 92,903.68
  4. Step 4: Simplify right side
    359,116.30x = 50,044,830,365.64
  5. Step 5: Solve for x
    x = 50,044,830,365.64/359,116.30
  6. Step 6: Final answer
    x = 139,355.50

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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.