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Finding the Fourth Proportional to 296,095.40, 443,624.70 and 243,218.60

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Solution

The fourth proportional to 296,095.40, 443,624.70 and 243,218.60 is: 364,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,095.40 : 443,624.70 = 243,218.60 : x
  2. Step 2: Convert to fraction form
    296,095.40/443,624.70 = 243,218.60/x
  3. Step 3: Cross multiply
    296,095.40x = 443,624.70 × 243,218.60
  4. Step 4: Simplify right side
    296,095.40x = 107,897,778,459.42
  5. Step 5: Solve for x
    x = 107,897,778,459.42/296,095.40
  6. Step 6: Final answer
    x = 364,402.08

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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.