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Finding the Fourth Proportional to 577,374.10, 867,045.30 and 410,068.60

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Solution

The fourth proportional to 577,374.10, 867,045.30 and 410,068.60 is: 615,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374.10 : 867,045.30 = 410,068.60 : x
  2. Step 2: Convert to fraction form
    577,374.10/867,045.30 = 410,068.60/x
  3. Step 3: Cross multiply
    577,374.10x = 867,045.30 × 410,068.60
  4. Step 4: Simplify right side
    577,374.10x = 355,548,052,307.58
  5. Step 5: Solve for x
    x = 355,548,052,307.58/577,374.10
  6. Step 6: Final answer
    x = 615,801.87

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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.