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Finding the Fourth Proportional to 352,901.71, 529,054.95 and 153,071.62

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Solution

The fourth proportional to 352,901.71, 529,054.95 and 153,071.62 is: 229,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,901.71 : 529,054.95 = 153,071.62 : x
  2. Step 2: Convert to fraction form
    352,901.71/529,054.95 = 153,071.62/x
  3. Step 3: Cross multiply
    352,901.71x = 529,054.95 × 153,071.62
  4. Step 4: Simplify right side
    352,901.71x = 80,983,298,265.52
  5. Step 5: Solve for x
    x = 80,983,298,265.52/352,901.71
  6. Step 6: Final answer
    x = 229,478.34

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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.