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Finding the Fourth Proportional to 407,730.70, 611,596.05 and 407,730.70

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Solution

The fourth proportional to 407,730.70, 611,596.05 and 407,730.70 is: 611,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,730.70 : 611,596.05 = 407,730.70 : x
  2. Step 2: Convert to fraction form
    407,730.70/611,596.05 = 407,730.70/x
  3. Step 3: Cross multiply
    407,730.70x = 611,596.05 × 407,730.70
  4. Step 4: Simplify right side
    407,730.70x = 249,366,485,583.74
  5. Step 5: Solve for x
    x = 249,366,485,583.74/407,730.70
  6. Step 6: Final answer
    x = 611,596.05

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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.