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Finding the Fourth Proportional to 440,700.48, 607,959.24 and 319,576.08

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Solution

The fourth proportional to 440,700.48, 607,959.24 and 319,576.08 is: 440,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,700.48 : 607,959.24 = 319,576.08 : x
  2. Step 2: Convert to fraction form
    440,700.48/607,959.24 = 319,576.08/x
  3. Step 3: Cross multiply
    440,700.48x = 607,959.24 × 319,576.08
  4. Step 4: Simplify right side
    440,700.48x = 194,289,230,718.98
  5. Step 5: Solve for x
    x = 194,289,230,718.98/440,700.48
  6. Step 6: Final answer
    x = 440,864.58

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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.