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Finding the Fourth Proportional to 302,328.40, 453,841.80 and 162,360.40

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Solution

The fourth proportional to 302,328.40, 453,841.80 and 162,360.40 is: 243,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,328.40 : 453,841.80 = 162,360.40 : x
  2. Step 2: Convert to fraction form
    302,328.40/453,841.80 = 162,360.40/x
  3. Step 3: Cross multiply
    302,328.40x = 453,841.80 × 162,360.40
  4. Step 4: Simplify right side
    302,328.40x = 73,685,936,184.72
  5. Step 5: Solve for x
    x = 73,685,936,184.72/302,328.40
  6. Step 6: Final answer
    x = 243,728.13

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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.