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Finding the Fourth Proportional to 492,179.40, 735,571.77 and 359,339.40

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Solution

The fourth proportional to 492,179.40, 735,571.77 and 359,339.40 is: 537,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,179.40 : 735,571.77 = 359,339.40 : x
  2. Step 2: Convert to fraction form
    492,179.40/735,571.77 = 359,339.40/x
  3. Step 3: Cross multiply
    492,179.40x = 735,571.77 × 359,339.40
  4. Step 4: Simplify right side
    492,179.40x = 264,319,918,488.74
  5. Step 5: Solve for x
    x = 264,319,918,488.74/492,179.40
  6. Step 6: Final answer
    x = 537,039.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.