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Finding the Fourth Proportional to 368,283.59, 508,226.32 and 207,138.57

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Solution

The fourth proportional to 368,283.59, 508,226.32 and 207,138.57 is: 285,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,283.59 : 508,226.32 = 207,138.57 : x
  2. Step 2: Convert to fraction form
    368,283.59/508,226.32 = 207,138.57/x
  3. Step 3: Cross multiply
    368,283.59x = 508,226.32 × 207,138.57
  4. Step 4: Simplify right side
    368,283.59x = 105,273,273,161.16
  5. Step 5: Solve for x
    x = 105,273,273,161.16/368,283.59
  6. Step 6: Final answer
    x = 285,848.40

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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.