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Finding the Fourth Proportional to 302,445.90, 417,350.88 and 175,129.56

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Solution

The fourth proportional to 302,445.90, 417,350.88 and 175,129.56 is: 241,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,445.90 : 417,350.88 = 175,129.56 : x
  2. Step 2: Convert to fraction form
    302,445.90/417,350.88 = 175,129.56/x
  3. Step 3: Cross multiply
    302,445.90x = 417,350.88 × 175,129.56
  4. Step 4: Simplify right side
    302,445.90x = 73,090,475,980.01
  5. Step 5: Solve for x
    x = 73,090,475,980.01/302,445.90
  6. Step 6: Final answer
    x = 241,664.63

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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.