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Finding the Fourth Proportional to 602,567.80, 831,536.28 and 347,913.52

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Solution

The fourth proportional to 602,567.80, 831,536.28 and 347,913.52 is: 480,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,567.80 : 831,536.28 = 347,913.52 : x
  2. Step 2: Convert to fraction form
    602,567.80/831,536.28 = 347,913.52/x
  3. Step 3: Cross multiply
    602,567.80x = 831,536.28 × 347,913.52
  4. Step 4: Simplify right side
    602,567.80x = 289,302,714,182.51
  5. Step 5: Solve for x
    x = 289,302,714,182.51/602,567.80
  6. Step 6: Final answer
    x = 480,116.45

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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.