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Finding the Fourth Proportional to 573,820.60, 860,730.90 and 474,093.40

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Solution

The fourth proportional to 573,820.60, 860,730.90 and 474,093.40 is: 711,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,820.60 : 860,730.90 = 474,093.40 : x
  2. Step 2: Convert to fraction form
    573,820.60/860,730.90 = 474,093.40/x
  3. Step 3: Cross multiply
    573,820.60x = 860,730.90 × 474,093.40
  4. Step 4: Simplify right side
    573,820.60x = 408,066,838,866.06
  5. Step 5: Solve for x
    x = 408,066,838,866.06/573,820.60
  6. Step 6: Final answer
    x = 711,140.10

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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.