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Finding the Fourth Proportional to 344,280.48, 516,420.32 and 119,640.93

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Solution

The fourth proportional to 344,280.48, 516,420.32 and 119,640.93 is: 179,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,280.48 : 516,420.32 = 119,640.93 : x
  2. Step 2: Convert to fraction form
    344,280.48/516,420.32 = 119,640.93/x
  3. Step 3: Cross multiply
    344,280.48x = 516,420.32 × 119,640.93
  4. Step 4: Simplify right side
    344,280.48x = 61,785,004,820.92
  5. Step 5: Solve for x
    x = 61,785,004,820.92/344,280.48
  6. Step 6: Final answer
    x = 179,461.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.