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Finding the Fourth Proportional to 456,957.15, 630,620.57 and 253,008.07

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Solution

The fourth proportional to 456,957.15, 630,620.57 and 253,008.07 is: 349,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,957.15 : 630,620.57 = 253,008.07 : x
  2. Step 2: Convert to fraction form
    456,957.15/630,620.57 = 253,008.07/x
  3. Step 3: Cross multiply
    456,957.15x = 630,620.57 × 253,008.07
  4. Step 4: Simplify right side
    456,957.15x = 159,552,093,157.50
  5. Step 5: Solve for x
    x = 159,552,093,157.50/456,957.15
  6. Step 6: Final answer
    x = 349,162.04

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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.