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Finding the Fourth Proportional to 614,944.98, 848,645.10 and 356,802.44

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Solution

The fourth proportional to 614,944.98, 848,645.10 and 356,802.44 is: 492,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,944.98 : 848,645.10 = 356,802.44 : x
  2. Step 2: Convert to fraction form
    614,944.98/848,645.10 = 356,802.44/x
  3. Step 3: Cross multiply
    614,944.98x = 848,645.10 × 356,802.44
  4. Step 4: Simplify right side
    614,944.98x = 302,798,638,130.82
  5. Step 5: Solve for x
    x = 302,798,638,130.82/614,944.98
  6. Step 6: Final answer
    x = 492,399.56

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1.5x scale

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.