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Finding the Fourth Proportional to 607,840.10, 910,557.30 and 533,044.70

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Solution

The fourth proportional to 607,840.10, 910,557.30 and 533,044.70 is: 798,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,840.10 : 910,557.30 = 533,044.70 : x
  2. Step 2: Convert to fraction form
    607,840.10/910,557.30 = 533,044.70/x
  3. Step 3: Cross multiply
    607,840.10x = 910,557.30 × 533,044.70
  4. Step 4: Simplify right side
    607,840.10x = 485,367,742,811.31
  5. Step 5: Solve for x
    x = 485,367,742,811.31/607,840.10
  6. Step 6: Final answer
    x = 798,512.21

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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.