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Finding the Fourth Proportional to 898,347.85, 1,347,029.70 and 365,266.60

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Solution

The fourth proportional to 898,347.85, 1,347,029.70 and 365,266.60 is: 547,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,347.85 : 1,347,029.70 = 365,266.60 : x
  2. Step 2: Convert to fraction form
    898,347.85/1,347,029.70 = 365,266.60/x
  3. Step 3: Cross multiply
    898,347.85x = 1,347,029.70 × 365,266.60
  4. Step 4: Simplify right side
    898,347.85x = 492,024,958,618.02
  5. Step 5: Solve for x
    x = 492,024,958,618.02/898,347.85
  6. Step 6: Final answer
    x = 547,699.82

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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.