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Finding the Fourth Proportional to 475,959.63, 714,006.27 and 139,025.01

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Solution

The fourth proportional to 475,959.63, 714,006.27 and 139,025.01 is: 208,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,959.63 : 714,006.27 = 139,025.01 : x
  2. Step 2: Convert to fraction form
    475,959.63/714,006.27 = 139,025.01/x
  3. Step 3: Cross multiply
    475,959.63x = 714,006.27 × 139,025.01
  4. Step 4: Simplify right side
    475,959.63x = 99,264,728,826.81
  5. Step 5: Solve for x
    x = 99,264,728,826.81/475,959.63
  6. Step 6: Final answer
    x = 208,557.03

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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.