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Finding the Fourth Proportional to 372,712.02, 514,211.40 and 243,725.94

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Solution

The fourth proportional to 372,712.02, 514,211.40 and 243,725.94 is: 336,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,712.02 : 514,211.40 = 243,725.94 : x
  2. Step 2: Convert to fraction form
    372,712.02/514,211.40 = 243,725.94/x
  3. Step 3: Cross multiply
    372,712.02x = 514,211.40 × 243,725.94
  4. Step 4: Simplify right side
    372,712.02x = 125,326,656,823.72
  5. Step 5: Solve for x
    x = 125,326,656,823.72/372,712.02
  6. Step 6: Final answer
    x = 336,256.01

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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.