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Finding the Fourth Proportional to 359,117.55, 538,676.24 and 92,904.93

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Solution

The fourth proportional to 359,117.55, 538,676.24 and 92,904.93 is: 139,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,117.55 : 538,676.24 = 92,904.93 : x
  2. Step 2: Convert to fraction form
    359,117.55/538,676.24 = 92,904.93/x
  3. Step 3: Cross multiply
    359,117.55x = 538,676.24 × 92,904.93
  4. Step 4: Simplify right side
    359,117.55x = 50,045,677,905.34
  5. Step 5: Solve for x
    x = 50,045,677,905.34/359,117.55
  6. Step 6: Final answer
    x = 139,357.37

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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.