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Finding the Fourth Proportional to 575,880.60, 863,432.10 and 306,053.40

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Solution

The fourth proportional to 575,880.60, 863,432.10 and 306,053.40 is: 458,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,880.60 : 863,432.10 = 306,053.40 : x
  2. Step 2: Convert to fraction form
    575,880.60/863,432.10 = 306,053.40/x
  3. Step 3: Cross multiply
    575,880.60x = 863,432.10 × 306,053.40
  4. Step 4: Simplify right side
    575,880.60x = 264,256,329,874.14
  5. Step 5: Solve for x
    x = 264,256,329,874.14/575,880.60
  6. Step 6: Final answer
    x = 458,873.47

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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.