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Finding the Fourth Proportional to 581,351.40, 872,583.90 and 301,069.80

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Solution

The fourth proportional to 581,351.40, 872,583.90 and 301,069.80 is: 451,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,351.40 : 872,583.90 = 301,069.80 : x
  2. Step 2: Convert to fraction form
    581,351.40/872,583.90 = 301,069.80/x
  3. Step 3: Cross multiply
    581,351.40x = 872,583.90 × 301,069.80
  4. Step 4: Simplify right side
    581,351.40x = 262,708,660,256.22
  5. Step 5: Solve for x
    x = 262,708,660,256.22/581,351.40
  6. Step 6: Final answer
    x = 451,893.06

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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.