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Finding the Fourth Proportional to 456,715.56, 630,478.98 and 265,659.24

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Solution

The fourth proportional to 456,715.56, 630,478.98 and 265,659.24 is: 366,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,715.56 : 630,478.98 = 265,659.24 : x
  2. Step 2: Convert to fraction form
    456,715.56/630,478.98 = 265,659.24/x
  3. Step 3: Cross multiply
    456,715.56x = 630,478.98 × 265,659.24
  4. Step 4: Simplify right side
    456,715.56x = 167,492,566,662.78
  5. Step 5: Solve for x
    x = 167,492,566,662.78/456,715.56
  6. Step 6: Final answer
    x = 366,732.78

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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.