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Finding the Fourth Proportional to 581,630.01, 801,682.07 and 400,034.49

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Solution

The fourth proportional to 581,630.01, 801,682.07 and 400,034.49 is: 551,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,630.01 : 801,682.07 = 400,034.49 : x
  2. Step 2: Convert to fraction form
    581,630.01/801,682.07 = 400,034.49/x
  3. Step 3: Cross multiply
    581,630.01x = 801,682.07 × 400,034.49
  4. Step 4: Simplify right side
    581,630.01x = 320,700,478,014.59
  5. Step 5: Solve for x
    x = 320,700,478,014.59/581,630.01
  6. Step 6: Final answer
    x = 551,382.27

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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.