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Finding the Fourth Proportional to 438,097.50, 604,595.70 and 247,106.52

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Solution

The fourth proportional to 438,097.50, 604,595.70 and 247,106.52 is: 341,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,097.50 : 604,595.70 = 247,106.52 : x
  2. Step 2: Convert to fraction form
    438,097.50/604,595.70 = 247,106.52/x
  3. Step 3: Cross multiply
    438,097.50x = 604,595.70 × 247,106.52
  4. Step 4: Simplify right side
    438,097.50x = 149,399,539,433.96
  5. Step 5: Solve for x
    x = 149,399,539,433.96/438,097.50
  6. Step 6: Final answer
    x = 341,018.93

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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.