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Finding the Fourth Proportional to 302,686.50, 417,707.37 and 175,435.92

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Solution

The fourth proportional to 302,686.50, 417,707.37 and 175,435.92 is: 242,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,686.50 : 417,707.37 = 175,435.92 : x
  2. Step 2: Convert to fraction form
    302,686.50/417,707.37 = 175,435.92/x
  3. Step 3: Cross multiply
    302,686.50x = 417,707.37 × 175,435.92
  4. Step 4: Simplify right side
    302,686.50x = 73,280,876,746.73
  5. Step 5: Solve for x
    x = 73,280,876,746.73/302,686.50
  6. Step 6: Final answer
    x = 242,101.57

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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.