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Finding the Fourth Proportional to 650,957.10, 976,435.65 and 545,981.10

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Solution

The fourth proportional to 650,957.10, 976,435.65 and 545,981.10 is: 818,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,957.10 : 976,435.65 = 545,981.10 : x
  2. Step 2: Convert to fraction form
    650,957.10/976,435.65 = 545,981.10/x
  3. Step 3: Cross multiply
    650,957.10x = 976,435.65 × 545,981.10
  4. Step 4: Simplify right side
    650,957.10x = 533,115,410,266.22
  5. Step 5: Solve for x
    x = 533,115,410,266.22/650,957.10
  6. Step 6: Final answer
    x = 818,971.65

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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.