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Finding the Fourth Proportional to 338,484.64, 506,730.68 and 250,132.32

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Solution

The fourth proportional to 338,484.64, 506,730.68 and 250,132.32 is: 374,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,484.64 : 506,730.68 = 250,132.32 : x
  2. Step 2: Convert to fraction form
    338,484.64/506,730.68 = 250,132.32/x
  3. Step 3: Cross multiply
    338,484.64x = 506,730.68 × 250,132.32
  4. Step 4: Simplify right side
    338,484.64x = 126,749,720,603.58
  5. Step 5: Solve for x
    x = 126,749,720,603.58/338,484.64
  6. Step 6: Final answer
    x = 374,462.25

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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.