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Finding the Fourth Proportional to 624,270.60, 936,405.90 and 499,854.60

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Solution

The fourth proportional to 624,270.60, 936,405.90 and 499,854.60 is: 749,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,270.60 : 936,405.90 = 499,854.60 : x
  2. Step 2: Convert to fraction form
    624,270.60/936,405.90 = 499,854.60/x
  3. Step 3: Cross multiply
    624,270.60x = 936,405.90 × 499,854.60
  4. Step 4: Simplify right side
    624,270.60x = 468,066,796,582.14
  5. Step 5: Solve for x
    x = 468,066,796,582.14/624,270.60
  6. Step 6: Final answer
    x = 749,781.90

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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.