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Finding the Fourth Proportional to 303,711.63, 455,569.15 and 101,307.18

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Solution

The fourth proportional to 303,711.63, 455,569.15 and 101,307.18 is: 151,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,711.63 : 455,569.15 = 101,307.18 : x
  2. Step 2: Convert to fraction form
    303,711.63/455,569.15 = 101,307.18/x
  3. Step 3: Cross multiply
    303,711.63x = 455,569.15 × 101,307.18
  4. Step 4: Simplify right side
    303,711.63x = 46,152,425,881.50
  5. Step 5: Solve for x
    x = 46,152,425,881.50/303,711.63
  6. Step 6: Final answer
    x = 151,961.34

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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.