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Finding the Fourth Proportional to 607,854.10, 910,578.30 and 533,058.70

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Solution

The fourth proportional to 607,854.10, 910,578.30 and 533,058.70 is: 798,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,854.10 : 910,578.30 = 533,058.70 : x
  2. Step 2: Convert to fraction form
    607,854.10/910,578.30 = 533,058.70/x
  3. Step 3: Cross multiply
    607,854.10x = 910,578.30 × 533,058.70
  4. Step 4: Simplify right side
    607,854.10x = 485,391,684,846.21
  5. Step 5: Solve for x
    x = 485,391,684,846.21/607,854.10
  6. Step 6: Final answer
    x = 798,533.21

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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.