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Finding the Fourth Proportional to 560,841.60, 840,955.20 and 228,041.60

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Solution

The fourth proportional to 560,841.60, 840,955.20 and 228,041.60 is: 341,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,841.60 : 840,955.20 = 228,041.60 : x
  2. Step 2: Convert to fraction form
    560,841.60/840,955.20 = 228,041.60/x
  3. Step 3: Cross multiply
    560,841.60x = 840,955.20 × 228,041.60
  4. Step 4: Simplify right side
    560,841.60x = 191,772,769,336.32
  5. Step 5: Solve for x
    x = 191,772,769,336.32/560,841.60
  6. Step 6: Final answer
    x = 341,937.49

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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.