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Finding the Fourth Proportional to 532,447,385.20, 798,671,077.80 and 360,454,706.80

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Solution

The fourth proportional to 532,447,385.20, 798,671,077.80 and 360,454,706.80 is: 540,682,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,447,385.20 : 798,671,077.80 = 360,454,706.80 : x
  2. Step 2: Convert to fraction form
    532,447,385.20/798,671,077.80 = 360,454,706.80/x
  3. Step 3: Cross multiply
    532,447,385.20x = 798,671,077.80 × 360,454,706.80
  4. Step 4: Simplify right side
    532,447,385.20x = 287,884,749,178,038,976
  5. Step 5: Solve for x
    x = 287,884,749,178,038,976/532,447,385.20
  6. Step 6: Final answer
    x = 540,682,060.20

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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.