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Finding the Fourth Proportional to 614,865.28, 848,519.10 and 342,924.16

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Solution

The fourth proportional to 614,865.28, 848,519.10 and 342,924.16 is: 473,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,865.28 : 848,519.10 = 342,924.16 : x
  2. Step 2: Convert to fraction form
    614,865.28/848,519.10 = 342,924.16/x
  3. Step 3: Cross multiply
    614,865.28x = 848,519.10 × 342,924.16
  4. Step 4: Simplify right side
    614,865.28x = 290,977,699,611.46
  5. Step 5: Solve for x
    x = 290,977,699,611.46/614,865.28
  6. Step 6: Final answer
    x = 473,238.14

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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.