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Finding the Fourth Proportional to 456,690.34, 630,233.87 and 252,755.32

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Solution

The fourth proportional to 456,690.34, 630,233.87 and 252,755.32 is: 348,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,690.34 : 630,233.87 = 252,755.32 : x
  2. Step 2: Convert to fraction form
    456,690.34/630,233.87 = 252,755.32/x
  3. Step 3: Cross multiply
    456,690.34x = 630,233.87 × 252,755.32
  4. Step 4: Simplify right side
    456,690.34x = 159,294,963,486.69
  5. Step 5: Solve for x
    x = 159,294,963,486.69/456,690.34
  6. Step 6: Final answer
    x = 348,803.01

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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.