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Finding the Fourth Proportional to 579,955.40, 869,673.90 and 224,851.40

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Solution

The fourth proportional to 579,955.40, 869,673.90 and 224,851.40 is: 337,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,955.40 : 869,673.90 = 224,851.40 : x
  2. Step 2: Convert to fraction form
    579,955.40/869,673.90 = 224,851.40/x
  3. Step 3: Cross multiply
    579,955.40x = 869,673.90 × 224,851.40
  4. Step 4: Simplify right side
    579,955.40x = 195,547,393,958.46
  5. Step 5: Solve for x
    x = 195,547,393,958.46/579,955.40
  6. Step 6: Final answer
    x = 337,176.61

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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.