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Finding the Fourth Proportional to 451,492.59, 623,035.95 and 257,862.24

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Solution

The fourth proportional to 451,492.59, 623,035.95 and 257,862.24 is: 355,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,492.59 : 623,035.95 = 257,862.24 : x
  2. Step 2: Convert to fraction form
    451,492.59/623,035.95 = 257,862.24/x
  3. Step 3: Cross multiply
    451,492.59x = 623,035.95 × 257,862.24
  4. Step 4: Simplify right side
    451,492.59x = 160,657,445,667.53
  5. Step 5: Solve for x
    x = 160,657,445,667.53/451,492.59
  6. Step 6: Final answer
    x = 355,836.28

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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.