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Finding the Fourth Proportional to 358,713.51, 537,435.81 and 337,377.50

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Solution

The fourth proportional to 358,713.51, 537,435.81 and 337,377.50 is: 505,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,713.51 : 537,435.81 = 337,377.50 : x
  2. Step 2: Convert to fraction form
    358,713.51/537,435.81 = 337,377.50/x
  3. Step 3: Cross multiply
    358,713.51x = 537,435.81 × 337,377.50
  4. Step 4: Simplify right side
    358,713.51x = 181,318,749,316.48
  5. Step 5: Solve for x
    x = 181,318,749,316.48/358,713.51
  6. Step 6: Final answer
    x = 505,469.54

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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.