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Finding the Fourth Proportional to 500,624.60, 751,018.80 and 163,567.40

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Solution

The fourth proportional to 500,624.60, 751,018.80 and 163,567.40 is: 245,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,624.60 : 751,018.80 = 163,567.40 : x
  2. Step 2: Convert to fraction form
    500,624.60/751,018.80 = 163,567.40/x
  3. Step 3: Cross multiply
    500,624.60x = 751,018.80 × 163,567.40
  4. Step 4: Simplify right side
    500,624.60x = 122,842,192,467.12
  5. Step 5: Solve for x
    x = 122,842,192,467.12/500,624.60
  6. Step 6: Final answer
    x = 245,377.86

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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.