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Finding the Fourth Proportional to 478,798.32, 718,193.16 and 183,310.32

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Solution

The fourth proportional to 478,798.32, 718,193.16 and 183,310.32 is: 274,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,798.32 : 718,193.16 = 183,310.32 : x
  2. Step 2: Convert to fraction form
    478,798.32/718,193.16 = 183,310.32/x
  3. Step 3: Cross multiply
    478,798.32x = 718,193.16 × 183,310.32
  4. Step 4: Simplify right side
    478,798.32x = 131,652,217,981.41
  5. Step 5: Solve for x
    x = 131,652,217,981.41/478,798.32
  6. Step 6: Final answer
    x = 274,963.83

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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.