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Finding the Fourth Proportional to 650,949.60, 976,424.40 and 545,973.60

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Solution

The fourth proportional to 650,949.60, 976,424.40 and 545,973.60 is: 818,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,949.60 : 976,424.40 = 545,973.60 : x
  2. Step 2: Convert to fraction form
    650,949.60/976,424.40 = 545,973.60/x
  3. Step 3: Cross multiply
    650,949.60x = 976,424.40 × 545,973.60
  4. Step 4: Simplify right side
    650,949.60x = 533,101,944,795.84
  5. Step 5: Solve for x
    x = 533,101,944,795.84/650,949.60
  6. Step 6: Final answer
    x = 818,960.40

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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.