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Finding the Fourth Proportional to 570,935.64, 855,867.02 and 191,590.33

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Solution

The fourth proportional to 570,935.64, 855,867.02 and 191,590.33 is: 287,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,935.64 : 855,867.02 = 191,590.33 : x
  2. Step 2: Convert to fraction form
    570,935.64/855,867.02 = 191,590.33/x
  3. Step 3: Cross multiply
    570,935.64x = 855,867.02 × 191,590.33
  4. Step 4: Simplify right side
    570,935.64x = 163,975,844,797.92
  5. Step 5: Solve for x
    x = 163,975,844,797.92/570,935.64
  6. Step 6: Final answer
    x = 287,205.48

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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.