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Finding the Fourth Proportional to 594,488.64, 891,763.20 and 220,424.16

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Solution

The fourth proportional to 594,488.64, 891,763.20 and 220,424.16 is: 330,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,488.64 : 891,763.20 = 220,424.16 : x
  2. Step 2: Convert to fraction form
    594,488.64/891,763.20 = 220,424.16/x
  3. Step 3: Cross multiply
    594,488.64x = 891,763.20 × 220,424.16
  4. Step 4: Simplify right side
    594,488.64x = 196,566,154,278.91
  5. Step 5: Solve for x
    x = 196,566,154,278.91/594,488.64
  6. Step 6: Final answer
    x = 330,647.45

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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.