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Finding the Fourth Proportional to 456,957.37, 630,620.88 and 253,008.30

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Solution

The fourth proportional to 456,957.37, 630,620.88 and 253,008.30 is: 349,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,957.37 : 630,620.88 = 253,008.30 : x
  2. Step 2: Convert to fraction form
    456,957.37/630,620.88 = 253,008.30/x
  3. Step 3: Cross multiply
    456,957.37x = 630,620.88 × 253,008.30
  4. Step 4: Simplify right side
    456,957.37x = 159,552,316,796.87
  5. Step 5: Solve for x
    x = 159,552,316,796.87/456,957.37
  6. Step 6: Final answer
    x = 349,162.37

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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.