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Finding the Fourth Proportional to 501,854.76, 692,470.19 and 284,062.37

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Solution

The fourth proportional to 501,854.76, 692,470.19 and 284,062.37 is: 391,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,854.76 : 692,470.19 = 284,062.37 : x
  2. Step 2: Convert to fraction form
    501,854.76/692,470.19 = 284,062.37/x
  3. Step 3: Cross multiply
    501,854.76x = 692,470.19 × 284,062.37
  4. Step 4: Simplify right side
    501,854.76x = 196,704,718,443.09
  5. Step 5: Solve for x
    x = 196,704,718,443.09/501,854.76
  6. Step 6: Final answer
    x = 391,955.47

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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.