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Finding the Fourth Proportional to 433,880.92, 651,281.46 and 384,283

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Solution

The fourth proportional to 433,880.92, 651,281.46 and 384,283 is: 576,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,880.92 : 651,281.46 = 384,283 : x
  2. Step 2: Convert to fraction form
    433,880.92/651,281.46 = 384,283/x
  3. Step 3: Cross multiply
    433,880.92x = 651,281.46 × 384,283
  4. Step 4: Simplify right side
    433,880.92x = 250,276,393,293.18
  5. Step 5: Solve for x
    x = 250,276,393,293.18/433,880.92
  6. Step 6: Final answer
    x = 576,831.99

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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.