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Finding the Fourth Proportional to 536,697.51, 740,656.70 and 294,986.53

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Solution

The fourth proportional to 536,697.51, 740,656.70 and 294,986.53 is: 407,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,697.51 : 740,656.70 = 294,986.53 : x
  2. Step 2: Convert to fraction form
    536,697.51/740,656.70 = 294,986.53/x
  3. Step 3: Cross multiply
    536,697.51x = 740,656.70 × 294,986.53
  4. Step 4: Simplify right side
    536,697.51x = 218,483,749,854.25
  5. Step 5: Solve for x
    x = 218,483,749,854.25/536,697.51
  6. Step 6: Final answer
    x = 407,089.18

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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.