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Finding the Fourth Proportional to 1,734,646.63, 2,393,831.18 and 960,290.30

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Solution

The fourth proportional to 1,734,646.63, 2,393,831.18 and 960,290.30 is: 1,325,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,646.63 : 2,393,831.18 = 960,290.30 : x
  2. Step 2: Convert to fraction form
    1,734,646.63/2,393,831.18 = 960,290.30/x
  3. Step 3: Cross multiply
    1,734,646.63x = 2,393,831.18 × 960,290.30
  4. Step 4: Simplify right side
    1,734,646.63x = 2,298,772,852,423.12
  5. Step 5: Solve for x
    x = 2,298,772,852,423.12/1,734,646.63
  6. Step 6: Final answer
    x = 1,325,211.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.