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Finding the Fourth Proportional to 556,100.02, 767,422.11 and 301,453.03

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Solution

The fourth proportional to 556,100.02, 767,422.11 and 301,453.03 is: 416,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,100.02 : 767,422.11 = 301,453.03 : x
  2. Step 2: Convert to fraction form
    556,100.02/767,422.11 = 301,453.03/x
  3. Step 3: Cross multiply
    556,100.02x = 767,422.11 × 301,453.03
  4. Step 4: Simplify right side
    556,100.02x = 231,341,720,348.49
  5. Step 5: Solve for x
    x = 231,341,720,348.49/556,100.02
  6. Step 6: Final answer
    x = 416,007.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.