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Finding the Fourth Proportional to 292,282.40, 438,423.60 and 274,567.70

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Solution

The fourth proportional to 292,282.40, 438,423.60 and 274,567.70 is: 411,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,282.40 : 438,423.60 = 274,567.70 : x
  2. Step 2: Convert to fraction form
    292,282.40/438,423.60 = 274,567.70/x
  3. Step 3: Cross multiply
    292,282.40x = 438,423.60 × 274,567.70
  4. Step 4: Simplify right side
    292,282.40x = 120,376,959,477.72
  5. Step 5: Solve for x
    x = 120,376,959,477.72/292,282.40
  6. Step 6: Final answer
    x = 411,851.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.