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Finding the Fourth Proportional to 554,416.30, 831,624.45 and 554,416.30

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Solution

The fourth proportional to 554,416.30, 831,624.45 and 554,416.30 is: 831,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,416.30 : 831,624.45 = 554,416.30 : x
  2. Step 2: Convert to fraction form
    554,416.30/831,624.45 = 554,416.30/x
  3. Step 3: Cross multiply
    554,416.30x = 831,624.45 × 554,416.30
  4. Step 4: Simplify right side
    554,416.30x = 461,066,150,558.54
  5. Step 5: Solve for x
    x = 461,066,150,558.54/554,416.30
  6. Step 6: Final answer
    x = 831,624.45

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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.