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Finding the Fourth Proportional to 302,871.80, 453,918.90 and 184,417.40

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Solution

The fourth proportional to 302,871.80, 453,918.90 and 184,417.40 is: 276,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,871.80 : 453,918.90 = 184,417.40 : x
  2. Step 2: Convert to fraction form
    302,871.80/453,918.90 = 184,417.40/x
  3. Step 3: Cross multiply
    302,871.80x = 453,918.90 × 184,417.40
  4. Step 4: Simplify right side
    302,871.80x = 83,710,543,348.86
  5. Step 5: Solve for x
    x = 83,710,543,348.86/302,871.80
  6. Step 6: Final answer
    x = 276,389.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.