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Finding the Fourth Proportional to 603,125.60, 904,688.40 and 366,540.80

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Solution

The fourth proportional to 603,125.60, 904,688.40 and 366,540.80 is: 549,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,125.60 : 904,688.40 = 366,540.80 : x
  2. Step 2: Convert to fraction form
    603,125.60/904,688.40 = 366,540.80/x
  3. Step 3: Cross multiply
    603,125.60x = 904,688.40 × 366,540.80
  4. Step 4: Simplify right side
    603,125.60x = 331,605,209,886.72
  5. Step 5: Solve for x
    x = 331,605,209,886.72/603,125.60
  6. Step 6: Final answer
    x = 549,811.20

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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.