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Finding the Fourth Proportional to 674,944, 931,442.16 and 373,157.44

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Solution

The fourth proportional to 674,944, 931,442.16 and 373,157.44 is: 514,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,944 : 931,442.16 = 373,157.44 : x
  2. Step 2: Convert to fraction form
    674,944/931,442.16 = 373,157.44/x
  3. Step 3: Cross multiply
    674,944x = 931,442.16 × 373,157.44
  4. Step 4: Simplify right side
    674,944x = 347,574,571,933.67
  5. Step 5: Solve for x
    x = 347,574,571,933.67/674,944
  6. Step 6: Final answer
    x = 514,968.02

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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.