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Finding the Fourth Proportional to 614,627.10, 848,123.42 and 342,669.42

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Solution

The fourth proportional to 614,627.10, 848,123.42 and 342,669.42 is: 472,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,627.10 : 848,123.42 = 342,669.42 : x
  2. Step 2: Convert to fraction form
    614,627.10/848,123.42 = 342,669.42/x
  3. Step 3: Cross multiply
    614,627.10x = 848,123.42 × 342,669.42
  4. Step 4: Simplify right side
    614,627.10x = 290,625,958,706.47
  5. Step 5: Solve for x
    x = 290,625,958,706.47/614,627.10
  6. Step 6: Final answer
    x = 472,849.24

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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.