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Finding the Fourth Proportional to 581,567.60, 872,351.40 and 404,274.80

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Solution

The fourth proportional to 581,567.60, 872,351.40 and 404,274.80 is: 606,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,567.60 : 872,351.40 = 404,274.80 : x
  2. Step 2: Convert to fraction form
    581,567.60/872,351.40 = 404,274.80/x
  3. Step 3: Cross multiply
    581,567.60x = 872,351.40 × 404,274.80
  4. Step 4: Simplify right side
    581,567.60x = 352,669,687,764.72
  5. Step 5: Solve for x
    x = 352,669,687,764.72/581,567.60
  6. Step 6: Final answer
    x = 606,412.20

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Similar ratio
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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.