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Finding the Fourth Proportional to 536,779.84, 740,756.28 and 295,078

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Solution

The fourth proportional to 536,779.84, 740,756.28 and 295,078 is: 407,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,779.84 : 740,756.28 = 295,078 : x
  2. Step 2: Convert to fraction form
    536,779.84/740,756.28 = 295,078/x
  3. Step 3: Cross multiply
    536,779.84x = 740,756.28 × 295,078
  4. Step 4: Simplify right side
    536,779.84x = 218,580,881,589.84
  5. Step 5: Solve for x
    x = 218,580,881,589.84/536,779.84
  6. Step 6: Final answer
    x = 407,207.70

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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.