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Finding the Fourth Proportional to 546,831.33, 754,695.39 and 317,339.34

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Solution

The fourth proportional to 546,831.33, 754,695.39 and 317,339.34 is: 437,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,831.33 : 754,695.39 = 317,339.34 : x
  2. Step 2: Convert to fraction form
    546,831.33/754,695.39 = 317,339.34/x
  3. Step 3: Cross multiply
    546,831.33x = 754,695.39 × 317,339.34
  4. Step 4: Simplify right side
    546,831.33x = 239,494,536,963.64
  5. Step 5: Solve for x
    x = 239,494,536,963.64/546,831.33
  6. Step 6: Final answer
    x = 437,967.84

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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.