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Finding the Fourth Proportional to 679,304.56, 937,442.34 and 373,412.32

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Solution

The fourth proportional to 679,304.56, 937,442.34 and 373,412.32 is: 515,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,304.56 : 937,442.34 = 373,412.32 : x
  2. Step 2: Convert to fraction form
    679,304.56/937,442.34 = 373,412.32/x
  3. Step 3: Cross multiply
    679,304.56x = 937,442.34 × 373,412.32
  4. Step 4: Simplify right side
    679,304.56x = 350,052,519,045.63
  5. Step 5: Solve for x
    x = 350,052,519,045.63/679,304.56
  6. Step 6: Final answer
    x = 515,310.13

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1.5x scale

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.