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Finding the Fourth Proportional to 302,567.50, 453,303.78 and 217,869.10

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Solution

The fourth proportional to 302,567.50, 453,303.78 and 217,869.10 is: 326,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,567.50 : 453,303.78 = 217,869.10 : x
  2. Step 2: Convert to fraction form
    302,567.50/453,303.78 = 217,869.10/x
  3. Step 3: Cross multiply
    302,567.50x = 453,303.78 × 217,869.10
  4. Step 4: Simplify right side
    302,567.50x = 98,760,886,575.20
  5. Step 5: Solve for x
    x = 98,760,886,575.20/302,567.50
  6. Step 6: Final answer
    x = 326,409.43

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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.