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Finding the Fourth Proportional to 366,980.01, 506,391.93 and 205,801.89

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Solution

The fourth proportional to 366,980.01, 506,391.93 and 205,801.89 is: 283,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.01 : 506,391.93 = 205,801.89 : x
  2. Step 2: Convert to fraction form
    366,980.01/506,391.93 = 205,801.89/x
  3. Step 3: Cross multiply
    366,980.01x = 506,391.93 × 205,801.89
  4. Step 4: Simplify right side
    366,980.01x = 104,216,416,274.75
  5. Step 5: Solve for x
    x = 104,216,416,274.75/366,980.01
  6. Step 6: Final answer
    x = 283,983.90

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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.