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Finding the Fourth Proportional to 614,800.92, 848,423.60 and 342,869.12

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Solution

The fourth proportional to 614,800.92, 848,423.60 and 342,869.12 is: 473,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,800.92 : 848,423.60 = 342,869.12 : x
  2. Step 2: Convert to fraction form
    614,800.92/848,423.60 = 342,869.12/x
  3. Step 3: Cross multiply
    614,800.92x = 848,423.60 × 342,869.12
  4. Step 4: Simplify right side
    614,800.92x = 290,898,253,119.23
  5. Step 5: Solve for x
    x = 290,898,253,119.23/614,800.92
  6. Step 6: Final answer
    x = 473,158.45

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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.