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Finding the Fourth Proportional to 536,982.83, 740,348.40 and 439,828.77

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Solution

The fourth proportional to 536,982.83, 740,348.40 and 439,828.77 is: 606,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,982.83 : 740,348.40 = 439,828.77 : x
  2. Step 2: Convert to fraction form
    536,982.83/740,348.40 = 439,828.77/x
  3. Step 3: Cross multiply
    536,982.83x = 740,348.40 × 439,828.77
  4. Step 4: Simplify right side
    536,982.83x = 325,626,526,143.47
  5. Step 5: Solve for x
    x = 325,626,526,143.47/536,982.83
  6. Step 6: Final answer
    x = 606,400.26

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1.5x scale

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.