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Finding the Fourth Proportional to 302,239.32, 417,104.28 and 174,890.28

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Solution

The fourth proportional to 302,239.32, 417,104.28 and 174,890.28 is: 241,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,239.32 : 417,104.28 = 174,890.28 : x
  2. Step 2: Convert to fraction form
    302,239.32/417,104.28 = 174,890.28/x
  3. Step 3: Cross multiply
    302,239.32x = 417,104.28 × 174,890.28
  4. Step 4: Simplify right side
    302,239.32x = 72,947,484,318.40
  5. Step 5: Solve for x
    x = 72,947,484,318.40/302,239.32
  6. Step 6: Final answer
    x = 241,356.70

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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.