Home / 369,278.10-553,917.15-366,945.30

Finding the Fourth Proportional to 369,278.10, 553,917.15 and 366,945.30

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Solution

The fourth proportional to 369,278.10, 553,917.15 and 366,945.30 is: 550,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,278.10 : 553,917.15 = 366,945.30 : x
  2. Step 2: Convert to fraction form
    369,278.10/553,917.15 = 366,945.30/x
  3. Step 3: Cross multiply
    369,278.10x = 553,917.15 × 366,945.30
  4. Step 4: Simplify right side
    369,278.10x = 203,257,294,781.90
  5. Step 5: Solve for x
    x = 203,257,294,781.90/369,278.10
  6. Step 6: Final answer
    x = 550,417.95

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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.