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Finding the Fourth Proportional to 369,585.69, 510,027.54 and 208,440.24

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Solution

The fourth proportional to 369,585.69, 510,027.54 and 208,440.24 is: 287,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,585.69 : 510,027.54 = 208,440.24 : x
  2. Step 2: Convert to fraction form
    369,585.69/510,027.54 = 208,440.24/x
  3. Step 3: Cross multiply
    369,585.69x = 510,027.54 × 208,440.24
  4. Step 4: Simplify right side
    369,585.69x = 106,310,260,149.96
  5. Step 5: Solve for x
    x = 106,310,260,149.96/369,585.69
  6. Step 6: Final answer
    x = 287,647.13

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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.