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Finding the Fourth Proportional to 614,878.30, 848,403.03 and 373,288.06

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Solution

The fourth proportional to 614,878.30, 848,403.03 and 373,288.06 is: 515,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,878.30 : 848,403.03 = 373,288.06 : x
  2. Step 2: Convert to fraction form
    614,878.30/848,403.03 = 373,288.06/x
  3. Step 3: Cross multiply
    614,878.30x = 848,403.03 × 373,288.06
  4. Step 4: Simplify right side
    614,878.30x = 316,698,721,166.82
  5. Step 5: Solve for x
    x = 316,698,721,166.82/614,878.30
  6. Step 6: Final answer
    x = 515,059.19

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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.