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Finding the Fourth Proportional to 259,865.52, 358,607.16 and 146,698.80

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Solution

The fourth proportional to 259,865.52, 358,607.16 and 146,698.80 is: 202,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,865.52 : 358,607.16 = 146,698.80 : x
  2. Step 2: Convert to fraction form
    259,865.52/358,607.16 = 146,698.80/x
  3. Step 3: Cross multiply
    259,865.52x = 358,607.16 × 146,698.80
  4. Step 4: Simplify right side
    259,865.52x = 52,607,240,043.41
  5. Step 5: Solve for x
    x = 52,607,240,043.41/259,865.52
  6. Step 6: Final answer
    x = 202,440.25

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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.