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Finding the Fourth Proportional to 295,655.40, 443,483.10 and 236,606.40

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Solution

The fourth proportional to 295,655.40, 443,483.10 and 236,606.40 is: 354,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,655.40 : 443,483.10 = 236,606.40 : x
  2. Step 2: Convert to fraction form
    295,655.40/443,483.10 = 236,606.40/x
  3. Step 3: Cross multiply
    295,655.40x = 443,483.10 × 236,606.40
  4. Step 4: Simplify right side
    295,655.40x = 104,930,939,751.84
  5. Step 5: Solve for x
    x = 104,930,939,751.84/295,655.40
  6. Step 6: Final answer
    x = 354,909.60

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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.