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Finding the Fourth Proportional to 573,743.60, 860,615.40 and 363,618.80

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Solution

The fourth proportional to 573,743.60, 860,615.40 and 363,618.80 is: 545,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,743.60 : 860,615.40 = 363,618.80 : x
  2. Step 2: Convert to fraction form
    573,743.60/860,615.40 = 363,618.80/x
  3. Step 3: Cross multiply
    573,743.60x = 860,615.40 × 363,618.80
  4. Step 4: Simplify right side
    573,743.60x = 312,935,939,009.52
  5. Step 5: Solve for x
    x = 312,935,939,009.52/573,743.60
  6. Step 6: Final answer
    x = 545,428.20

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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.