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Finding the Fourth Proportional to 614,847.90, 848,345.63 and 373,125

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Solution

The fourth proportional to 614,847.90, 848,345.63 and 373,125 is: 514,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,847.90 : 848,345.63 = 373,125 : x
  2. Step 2: Convert to fraction form
    614,847.90/848,345.63 = 373,125/x
  3. Step 3: Cross multiply
    614,847.90x = 848,345.63 × 373,125
  4. Step 4: Simplify right side
    614,847.90x = 316,538,961,328.13
  5. Step 5: Solve for x
    x = 316,538,961,328.13/614,847.90
  6. Step 6: Final answer
    x = 514,824.82

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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.