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Finding the Fourth Proportional to 443,751.56, 612,377.46 and 242,547.56

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Solution

The fourth proportional to 443,751.56, 612,377.46 and 242,547.56 is: 334,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,751.56 : 612,377.46 = 242,547.56 : x
  2. Step 2: Convert to fraction form
    443,751.56/612,377.46 = 242,547.56/x
  3. Step 3: Cross multiply
    443,751.56x = 612,377.46 × 242,547.56
  4. Step 4: Simplify right side
    443,751.56x = 148,530,658,722.00
  5. Step 5: Solve for x
    x = 148,530,658,722.00/443,751.56
  6. Step 6: Final answer
    x = 334,715.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.