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Finding the Fourth Proportional to 368,495.70, 552,449.52 and 208,472.91

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Solution

The fourth proportional to 368,495.70, 552,449.52 and 208,472.91 is: 312,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,495.70 : 552,449.52 = 208,472.91 : x
  2. Step 2: Convert to fraction form
    368,495.70/552,449.52 = 208,472.91/x
  3. Step 3: Cross multiply
    368,495.70x = 552,449.52 × 208,472.91
  4. Step 4: Simplify right side
    368,495.70x = 115,170,759,062.50
  5. Step 5: Solve for x
    x = 115,170,759,062.50/368,495.70
  6. Step 6: Final answer
    x = 312,543.02

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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.