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Finding the Fourth Proportional to 352,511.40, 529,112.70 and 175,218.60

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Solution

The fourth proportional to 352,511.40, 529,112.70 and 175,218.60 is: 262,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511.40 : 529,112.70 = 175,218.60 : x
  2. Step 2: Convert to fraction form
    352,511.40/529,112.70 = 175,218.60/x
  3. Step 3: Cross multiply
    352,511.40x = 529,112.70 × 175,218.60
  4. Step 4: Simplify right side
    352,511.40x = 92,710,386,536.22
  5. Step 5: Solve for x
    x = 92,710,386,536.22/352,511.40
  6. Step 6: Final answer
    x = 262,999.68

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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.