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Finding the Fourth Proportional to 756,897.66, 1,044,771.75 and 451,070.01

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Solution

The fourth proportional to 756,897.66, 1,044,771.75 and 451,070.01 is: 622,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,897.66 : 1,044,771.75 = 451,070.01 : x
  2. Step 2: Convert to fraction form
    756,897.66/1,044,771.75 = 451,070.01/x
  3. Step 3: Cross multiply
    756,897.66x = 1,044,771.75 × 451,070.01
  4. Step 4: Simplify right side
    756,897.66x = 471,265,203,720.22
  5. Step 5: Solve for x
    x = 471,265,203,720.22/756,897.66
  6. Step 6: Final answer
    x = 622,627.38

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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.