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Finding the Fourth Proportional to 501,095.70, 751,643.55 and 146,145.60

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Solution

The fourth proportional to 501,095.70, 751,643.55 and 146,145.60 is: 219,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,095.70 : 751,643.55 = 146,145.60 : x
  2. Step 2: Convert to fraction form
    501,095.70/751,643.55 = 146,145.60/x
  3. Step 3: Cross multiply
    501,095.70x = 751,643.55 × 146,145.60
  4. Step 4: Simplify right side
    501,095.70x = 109,849,397,600.88
  5. Step 5: Solve for x
    x = 109,849,397,600.88/501,095.70
  6. Step 6: Final answer
    x = 219,218.40

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Similar ratio
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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.