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Finding the Fourth Proportional to 614,945.98, 848,646.48 and 356,803.44

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Solution

The fourth proportional to 614,945.98, 848,646.48 and 356,803.44 is: 492,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,945.98 : 848,646.48 = 356,803.44 : x
  2. Step 2: Convert to fraction form
    614,945.98/848,646.48 = 356,803.44/x
  3. Step 3: Cross multiply
    614,945.98x = 848,646.48 × 356,803.44
  4. Step 4: Simplify right side
    614,945.98x = 302,799,983,407.89
  5. Step 5: Solve for x
    x = 302,799,983,407.89/614,945.98
  6. Step 6: Final answer
    x = 492,400.95

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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.