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Finding the Fourth Proportional to 713,019.14, 1,068,809.05 and 446,966.49

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Solution

The fourth proportional to 713,019.14, 1,068,809.05 and 446,966.49 is: 669,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,019.14 : 1,068,809.05 = 446,966.49 : x
  2. Step 2: Convert to fraction form
    713,019.14/1,068,809.05 = 446,966.49/x
  3. Step 3: Cross multiply
    713,019.14x = 1,068,809.05 × 446,966.49
  4. Step 4: Simplify right side
    713,019.14x = 477,721,832,230.76
  5. Step 5: Solve for x
    x = 477,721,832,230.76/713,019.14
  6. Step 6: Final answer
    x = 669,998.61

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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.