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Finding the Fourth Proportional to 614,657.89, 848,224.74 and 356,587.03

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Solution

The fourth proportional to 614,657.89, 848,224.74 and 356,587.03 is: 492,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,657.89 : 848,224.74 = 356,587.03 : x
  2. Step 2: Convert to fraction form
    614,657.89/848,224.74 = 356,587.03/x
  3. Step 3: Cross multiply
    614,657.89x = 848,224.74 × 356,587.03
  4. Step 4: Simplify right side
    614,657.89x = 302,465,940,809.12
  5. Step 5: Solve for x
    x = 302,465,940,809.12/614,657.89
  6. Step 6: Final answer
    x = 492,088.28

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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.