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Finding the Fourth Proportional to 594,436.80, 891,763.20 and 194,966.40

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Solution

The fourth proportional to 594,436.80, 891,763.20 and 194,966.40 is: 292,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,436.80 : 891,763.20 = 194,966.40 : x
  2. Step 2: Convert to fraction form
    594,436.80/891,763.20 = 194,966.40/x
  3. Step 3: Cross multiply
    594,436.80x = 891,763.20 × 194,966.40
  4. Step 4: Simplify right side
    594,436.80x = 173,863,860,756.48
  5. Step 5: Solve for x
    x = 173,863,860,756.48/594,436.80
  6. Step 6: Final answer
    x = 292,485.02

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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.