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Finding the Fourth Proportional to 1,237,095.45, 1,734,421.95 and 1,237,095.45

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Solution

The fourth proportional to 1,237,095.45, 1,734,421.95 and 1,237,095.45 is: 1,734,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,095.45 : 1,734,421.95 = 1,237,095.45 : x
  2. Step 2: Convert to fraction form
    1,237,095.45/1,734,421.95 = 1,237,095.45/x
  3. Step 3: Cross multiply
    1,237,095.45x = 1,734,421.95 × 1,237,095.45
  4. Step 4: Simplify right side
    1,237,095.45x = 2,145,645,502,725.13
  5. Step 5: Solve for x
    x = 2,145,645,502,725.13/1,237,095.45
  6. Step 6: Final answer
    x = 1,734,421.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.