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Finding the Fourth Proportional to 628,697.68, 942,701.88 and 249,234

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Solution

The fourth proportional to 628,697.68, 942,701.88 and 249,234 is: 373,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,697.68 : 942,701.88 = 249,234 : x
  2. Step 2: Convert to fraction form
    628,697.68/942,701.88 = 249,234/x
  3. Step 3: Cross multiply
    628,697.68x = 942,701.88 × 249,234
  4. Step 4: Simplify right side
    628,697.68x = 234,953,360,359.92
  5. Step 5: Solve for x
    x = 234,953,360,359.92/628,697.68
  6. Step 6: Final answer
    x = 373,714.37

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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.