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Finding the Fourth Proportional to 616,011.88, 850,056.42 and 357,865.96

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Solution

The fourth proportional to 616,011.88, 850,056.42 and 357,865.96 is: 493,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,011.88 : 850,056.42 = 357,865.96 : x
  2. Step 2: Convert to fraction form
    616,011.88/850,056.42 = 357,865.96/x
  3. Step 3: Cross multiply
    616,011.88x = 850,056.42 × 357,865.96
  4. Step 4: Simplify right side
    616,011.88x = 304,206,256,797.46
  5. Step 5: Solve for x
    x = 304,206,256,797.46/616,011.88
  6. Step 6: Final answer
    x = 493,831.80

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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.