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Finding the Fourth Proportional to 536,670.72, 740,309.76 and 435,893.76

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Solution

The fourth proportional to 536,670.72, 740,309.76 and 435,893.76 is: 601,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,670.72 : 740,309.76 = 435,893.76 : x
  2. Step 2: Convert to fraction form
    536,670.72/740,309.76 = 435,893.76/x
  3. Step 3: Cross multiply
    536,670.72x = 740,309.76 × 435,893.76
  4. Step 4: Simplify right side
    536,670.72x = 322,696,404,851.10
  5. Step 5: Solve for x
    x = 322,696,404,851.10/536,670.72
  6. Step 6: Final answer
    x = 601,293.11

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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.