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Finding the Fourth Proportional to 536,970.36, 740,854.98 and 353,156.52

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Solution

The fourth proportional to 536,970.36, 740,854.98 and 353,156.52 is: 487,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,970.36 : 740,854.98 = 353,156.52 : x
  2. Step 2: Convert to fraction form
    536,970.36/740,854.98 = 353,156.52/x
  3. Step 3: Cross multiply
    536,970.36x = 740,854.98 × 353,156.52
  4. Step 4: Simplify right side
    536,970.36x = 261,637,766,561.47
  5. Step 5: Solve for x
    x = 261,637,766,561.47/536,970.36
  6. Step 6: Final answer
    x = 487,248.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.