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Finding the Fourth Proportional to 738,206.90, 1,034,189.50 and 738,206.90

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Solution

The fourth proportional to 738,206.90, 1,034,189.50 and 738,206.90 is: 1,034,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,206.90 : 1,034,189.50 = 738,206.90 : x
  2. Step 2: Convert to fraction form
    738,206.90/1,034,189.50 = 738,206.90/x
  3. Step 3: Cross multiply
    738,206.90x = 1,034,189.50 × 738,206.90
  4. Step 4: Simplify right side
    738,206.90x = 763,445,824,807.55
  5. Step 5: Solve for x
    x = 763,445,824,807.55/738,206.90
  6. Step 6: Final answer
    x = 1,034,189.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.