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Finding the Fourth Proportional to 456,833.91, 630,421.53 and 252,884.93

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Solution

The fourth proportional to 456,833.91, 630,421.53 and 252,884.93 is: 348,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,833.91 : 630,421.53 = 252,884.93 : x
  2. Step 2: Convert to fraction form
    456,833.91/630,421.53 = 252,884.93/x
  3. Step 3: Cross multiply
    456,833.91x = 630,421.53 × 252,884.93
  4. Step 4: Simplify right side
    456,833.91x = 159,424,101,332.44
  5. Step 5: Solve for x
    x = 159,424,101,332.44/456,833.91
  6. Step 6: Final answer
    x = 348,976.07

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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.