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Finding the Fourth Proportional to 674,352.42, 930,670.68 and 368,475.27

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Solution

The fourth proportional to 674,352.42, 930,670.68 and 368,475.27 is: 508,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,352.42 : 930,670.68 = 368,475.27 : x
  2. Step 2: Convert to fraction form
    674,352.42/930,670.68 = 368,475.27/x
  3. Step 3: Cross multiply
    674,352.42x = 930,670.68 × 368,475.27
  4. Step 4: Simplify right side
    674,352.42x = 342,929,130,094.08
  5. Step 5: Solve for x
    x = 342,929,130,094.08/674,352.42
  6. Step 6: Final answer
    x = 508,531.03

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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.