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Finding the Fourth Proportional to 408,053.95, 612,080.93 and 408,053.95

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Solution

The fourth proportional to 408,053.95, 612,080.93 and 408,053.95 is: 612,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,053.95 : 612,080.93 = 408,053.95 : x
  2. Step 2: Convert to fraction form
    408,053.95/612,080.93 = 408,053.95/x
  3. Step 3: Cross multiply
    408,053.95x = 612,080.93 × 408,053.95
  4. Step 4: Simplify right side
    408,053.95x = 249,762,041,206.17
  5. Step 5: Solve for x
    x = 249,762,041,206.17/408,053.95
  6. Step 6: Final answer
    x = 612,080.93

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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.