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Finding the Fourth Proportional to 616,064.09, 923,143.65 and 480,807.48

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Solution

The fourth proportional to 616,064.09, 923,143.65 and 480,807.48 is: 720,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,064.09 : 923,143.65 = 480,807.48 : x
  2. Step 2: Convert to fraction form
    616,064.09/923,143.65 = 480,807.48/x
  3. Step 3: Cross multiply
    616,064.09x = 923,143.65 × 480,807.48
  4. Step 4: Simplify right side
    616,064.09x = 443,854,372,034.50
  5. Step 5: Solve for x
    x = 443,854,372,034.50/616,064.09
  6. Step 6: Final answer
    x = 720,467.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.