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Finding the Fourth Proportional to 456,624.65, 630,208.85 and 262,995.12

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Solution

The fourth proportional to 456,624.65, 630,208.85 and 262,995.12 is: 362,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,624.65 : 630,208.85 = 262,995.12 : x
  2. Step 2: Convert to fraction form
    456,624.65/630,208.85 = 262,995.12/x
  3. Step 3: Cross multiply
    456,624.65x = 630,208.85 × 262,995.12
  4. Step 4: Simplify right side
    456,624.65x = 165,741,852,399.45
  5. Step 5: Solve for x
    x = 165,741,852,399.45/456,624.65
  6. Step 6: Final answer
    x = 362,971.76

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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.