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Finding the Fourth Proportional to 362,888.64, 500,818.68 and 201,776.40

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Solution

The fourth proportional to 362,888.64, 500,818.68 and 201,776.40 is: 278,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,888.64 : 500,818.68 = 201,776.40 : x
  2. Step 2: Convert to fraction form
    362,888.64/500,818.68 = 201,776.40/x
  3. Step 3: Cross multiply
    362,888.64x = 500,818.68 × 201,776.40
  4. Step 4: Simplify right side
    362,888.64x = 101,053,390,303.15
  5. Step 5: Solve for x
    x = 101,053,390,303.15/362,888.64
  6. Step 6: Final answer
    x = 278,469.42

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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.