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Finding the Fourth Proportional to 333,702.92, 500,550.21 and 80,985.50

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Solution

The fourth proportional to 333,702.92, 500,550.21 and 80,985.50 is: 121,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,702.92 : 500,550.21 = 80,985.50 : x
  2. Step 2: Convert to fraction form
    333,702.92/500,550.21 = 80,985.50/x
  3. Step 3: Cross multiply
    333,702.92x = 500,550.21 × 80,985.50
  4. Step 4: Simplify right side
    333,702.92x = 40,537,309,031.96
  5. Step 5: Solve for x
    x = 40,537,309,031.96/333,702.92
  6. Step 6: Final answer
    x = 121,477.24

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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.