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Finding the Fourth Proportional to 458,683.60, 688,025.40 and 448,842.10

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Solution

The fourth proportional to 458,683.60, 688,025.40 and 448,842.10 is: 673,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,683.60 : 688,025.40 = 448,842.10 : x
  2. Step 2: Convert to fraction form
    458,683.60/688,025.40 = 448,842.10/x
  3. Step 3: Cross multiply
    458,683.60x = 688,025.40 × 448,842.10
  4. Step 4: Simplify right side
    458,683.60x = 308,814,765,389.34
  5. Step 5: Solve for x
    x = 308,814,765,389.34/458,683.60
  6. Step 6: Final answer
    x = 673,263.15

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Similar ratio
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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.