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Finding the Fourth Proportional to 513,503.08, 708,395.45 and 332,273.51

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Solution

The fourth proportional to 513,503.08, 708,395.45 and 332,273.51 is: 458,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,503.08 : 708,395.45 = 332,273.51 : x
  2. Step 2: Convert to fraction form
    513,503.08/708,395.45 = 332,273.51/x
  3. Step 3: Cross multiply
    513,503.08x = 708,395.45 × 332,273.51
  4. Step 4: Simplify right side
    513,503.08x = 235,381,037,436.19
  5. Step 5: Solve for x
    x = 235,381,037,436.19/513,503.08
  6. Step 6: Final answer
    x = 458,382.91

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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.