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Finding the Fourth Proportional to 536,855.16, 740,862.54 and 295,159.08

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Solution

The fourth proportional to 536,855.16, 740,862.54 and 295,159.08 is: 407,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,855.16 : 740,862.54 = 295,159.08 : x
  2. Step 2: Convert to fraction form
    536,855.16/740,862.54 = 295,159.08/x
  3. Step 3: Cross multiply
    536,855.16x = 740,862.54 × 295,159.08
  4. Step 4: Simplify right side
    536,855.16x = 218,672,305,712.86
  5. Step 5: Solve for x
    x = 218,672,305,712.86/536,855.16
  6. Step 6: Final answer
    x = 407,320.86

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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.