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Finding the Fourth Proportional to 650,977.60, 976,466.40 and 548,334.40

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Solution

The fourth proportional to 650,977.60, 976,466.40 and 548,334.40 is: 822,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,977.60 : 976,466.40 = 548,334.40 : x
  2. Step 2: Convert to fraction form
    650,977.60/976,466.40 = 548,334.40/x
  3. Step 3: Cross multiply
    650,977.60x = 976,466.40 × 548,334.40
  4. Step 4: Simplify right side
    650,977.60x = 535,430,117,564.16
  5. Step 5: Solve for x
    x = 535,430,117,564.16/650,977.60
  6. Step 6: Final answer
    x = 822,501.60

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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.