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Finding the Fourth Proportional to 1,091,392.32, 1,506,137.04 and 626,322

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Solution

The fourth proportional to 1,091,392.32, 1,506,137.04 and 626,322 is: 864,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,392.32 : 1,506,137.04 = 626,322 : x
  2. Step 2: Convert to fraction form
    1,091,392.32/1,506,137.04 = 626,322/x
  3. Step 3: Cross multiply
    1,091,392.32x = 1,506,137.04 × 626,322
  4. Step 4: Simplify right side
    1,091,392.32x = 943,326,763,166.88
  5. Step 5: Solve for x
    x = 943,326,763,166.88/1,091,392.32
  6. Step 6: Final answer
    x = 864,333.33

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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.