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Finding the Fourth Proportional to 651,304.80, 976,957.20 and 230,623.20

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Solution

The fourth proportional to 651,304.80, 976,957.20 and 230,623.20 is: 345,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,304.80 : 976,957.20 = 230,623.20 : x
  2. Step 2: Convert to fraction form
    651,304.80/976,957.20 = 230,623.20/x
  3. Step 3: Cross multiply
    651,304.80x = 976,957.20 × 230,623.20
  4. Step 4: Simplify right side
    651,304.80x = 225,308,995,727.04
  5. Step 5: Solve for x
    x = 225,308,995,727.04/651,304.80
  6. Step 6: Final answer
    x = 345,934.80

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Half scale
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Double scale
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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.