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Finding the Fourth Proportional to 368,349.39, 508,317.53 and 207,205.56

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Solution

The fourth proportional to 368,349.39, 508,317.53 and 207,205.56 is: 285,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,349.39 : 508,317.53 = 207,205.56 : x
  2. Step 2: Convert to fraction form
    368,349.39/508,317.53 = 207,205.56/x
  3. Step 3: Cross multiply
    368,349.39x = 508,317.53 × 207,205.56
  4. Step 4: Simplify right side
    368,349.39x = 105,326,217,425.44
  5. Step 5: Solve for x
    x = 105,326,217,425.44/368,349.39
  6. Step 6: Final answer
    x = 285,941.07

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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.