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Finding the Fourth Proportional to 456,515.46, 630,009.90 and 252,562.86

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Solution

The fourth proportional to 456,515.46, 630,009.90 and 252,562.86 is: 348,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,515.46 : 630,009.90 = 252,562.86 : x
  2. Step 2: Convert to fraction form
    456,515.46/630,009.90 = 252,562.86/x
  3. Step 3: Cross multiply
    456,515.46x = 630,009.90 × 252,562.86
  4. Step 4: Simplify right side
    456,515.46x = 159,117,102,172.31
  5. Step 5: Solve for x
    x = 159,117,102,172.31/456,515.46
  6. Step 6: Final answer
    x = 348,547.02

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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.