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Finding the Fourth Proportional to 302,711.96, 417,742.62 and 175,461.32

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Solution

The fourth proportional to 302,711.96, 417,742.62 and 175,461.32 is: 242,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,711.96 : 417,742.62 = 175,461.32 : x
  2. Step 2: Convert to fraction form
    302,711.96/417,742.62 = 175,461.32/x
  3. Step 3: Cross multiply
    302,711.96x = 417,742.62 × 175,461.32
  4. Step 4: Simplify right side
    302,711.96x = 73,297,671,525.46
  5. Step 5: Solve for x
    x = 73,297,671,525.46/302,711.96
  6. Step 6: Final answer
    x = 242,136.69

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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.