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Finding the Fourth Proportional to 837,303.40, 1,255,955.10 and 798,812.20

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Solution

The fourth proportional to 837,303.40, 1,255,955.10 and 798,812.20 is: 1,198,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,303.40 : 1,255,955.10 = 798,812.20 : x
  2. Step 2: Convert to fraction form
    837,303.40/1,255,955.10 = 798,812.20/x
  3. Step 3: Cross multiply
    837,303.40x = 1,255,955.10 × 798,812.20
  4. Step 4: Simplify right side
    837,303.40x = 1,003,272,256,532.22
  5. Step 5: Solve for x
    x = 1,003,272,256,532.22/837,303.40
  6. Step 6: Final answer
    x = 1,198,218.30

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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.