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Finding the Fourth Proportional to 543,957.42, 750,419.73 and 362,492.58

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Solution

The fourth proportional to 543,957.42, 750,419.73 and 362,492.58 is: 500,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,957.42 : 750,419.73 = 362,492.58 : x
  2. Step 2: Convert to fraction form
    543,957.42/750,419.73 = 362,492.58/x
  3. Step 3: Cross multiply
    543,957.42x = 750,419.73 × 362,492.58
  4. Step 4: Simplify right side
    543,957.42x = 272,021,584,010.60
  5. Step 5: Solve for x
    x = 272,021,584,010.60/543,957.42
  6. Step 6: Final answer
    x = 500,078.82

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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.