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Finding the Fourth Proportional to 346,366.01, 478,315.20 and 327,495.96

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Solution

The fourth proportional to 346,366.01, 478,315.20 and 327,495.96 is: 452,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,366.01 : 478,315.20 = 327,495.96 : x
  2. Step 2: Convert to fraction form
    346,366.01/478,315.20 = 327,495.96/x
  3. Step 3: Cross multiply
    346,366.01x = 478,315.20 × 327,495.96
  4. Step 4: Simplify right side
    346,366.01x = 156,646,295,913.62
  5. Step 5: Solve for x
    x = 156,646,295,913.62/346,366.01
  6. Step 6: Final answer
    x = 452,256.55

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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.