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Finding the Fourth Proportional to 614,894.55, 848,555.64 and 342,980.06

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Solution

The fourth proportional to 614,894.55, 848,555.64 and 342,980.06 is: 473,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,894.55 : 848,555.64 = 342,980.06 : x
  2. Step 2: Convert to fraction form
    614,894.55/848,555.64 = 342,980.06/x
  3. Step 3: Cross multiply
    614,894.55x = 848,555.64 × 342,980.06
  4. Step 4: Simplify right side
    614,894.55x = 291,037,661,042.39
  5. Step 5: Solve for x
    x = 291,037,661,042.39/614,894.55
  6. Step 6: Final answer
    x = 473,313.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.