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Finding the Fourth Proportional to 607,125.15, 910,687.73 and 186,346.35

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Solution

The fourth proportional to 607,125.15, 910,687.73 and 186,346.35 is: 279,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,125.15 : 910,687.73 = 186,346.35 : x
  2. Step 2: Convert to fraction form
    607,125.15/910,687.73 = 186,346.35/x
  3. Step 3: Cross multiply
    607,125.15x = 910,687.73 × 186,346.35
  4. Step 4: Simplify right side
    607,125.15x = 169,703,333,543.55
  5. Step 5: Solve for x
    x = 169,703,333,543.55/607,125.15
  6. Step 6: Final answer
    x = 279,519.53

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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.