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Finding the Fourth Proportional to 372,973.76, 514,894.40 and 252,750.24

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Solution

The fourth proportional to 372,973.76, 514,894.40 and 252,750.24 is: 348,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,973.76 : 514,894.40 = 252,750.24 : x
  2. Step 2: Convert to fraction form
    372,973.76/514,894.40 = 252,750.24/x
  3. Step 3: Cross multiply
    372,973.76x = 514,894.40 × 252,750.24
  4. Step 4: Simplify right side
    372,973.76x = 130,139,683,174.66
  5. Step 5: Solve for x
    x = 130,139,683,174.66/372,973.76
  6. Step 6: Final answer
    x = 348,924.50

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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.