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Finding the Fourth Proportional to 369,748.92, 510,209.60 and 208,594.56

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Solution

The fourth proportional to 369,748.92, 510,209.60 and 208,594.56 is: 287,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,748.92 : 510,209.60 = 208,594.56 : x
  2. Step 2: Convert to fraction form
    369,748.92/510,209.60 = 208,594.56/x
  3. Step 3: Cross multiply
    369,748.92x = 510,209.60 × 208,594.56
  4. Step 4: Simplify right side
    369,748.92x = 106,426,947,019.78
  5. Step 5: Solve for x
    x = 106,426,947,019.78/369,748.92
  6. Step 6: Final answer
    x = 287,835.72

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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.