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Finding the Fourth Proportional to 713,053.10, 1,068,859.90 and 447,000.50

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Solution

The fourth proportional to 713,053.10, 1,068,859.90 and 447,000.50 is: 670,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,053.10 : 1,068,859.90 = 447,000.50 : x
  2. Step 2: Convert to fraction form
    713,053.10/1,068,859.90 = 447,000.50/x
  3. Step 3: Cross multiply
    713,053.10x = 1,068,859.90 × 447,000.50
  4. Step 4: Simplify right side
    713,053.10x = 477,780,909,729.95
  5. Step 5: Solve for x
    x = 477,780,909,729.95/713,053.10
  6. Step 6: Final answer
    x = 670,049.55

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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.