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Finding the Fourth Proportional to 369,999.80, 510,475.08 and 240,879.32

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Solution

The fourth proportional to 369,999.80, 510,475.08 and 240,879.32 is: 332,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,999.80 : 510,475.08 = 240,879.32 : x
  2. Step 2: Convert to fraction form
    369,999.80/510,475.08 = 240,879.32/x
  3. Step 3: Cross multiply
    369,999.80x = 510,475.08 × 240,879.32
  4. Step 4: Simplify right side
    369,999.80x = 122,962,890,147.35
  5. Step 5: Solve for x
    x = 122,962,890,147.35/369,999.80
  6. Step 6: Final answer
    x = 332,332.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.