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Finding the Fourth Proportional to 573,032.20, 860,466.30 and 455,679.40

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Solution

The fourth proportional to 573,032.20, 860,466.30 and 455,679.40 is: 684,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,032.20 : 860,466.30 = 455,679.40 : x
  2. Step 2: Convert to fraction form
    573,032.20/860,466.30 = 455,679.40/x
  3. Step 3: Cross multiply
    573,032.20x = 860,466.30 × 455,679.40
  4. Step 4: Simplify right side
    573,032.20x = 392,096,767,304.22
  5. Step 5: Solve for x
    x = 392,096,767,304.22/573,032.20
  6. Step 6: Final answer
    x = 684,249.10

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1.5x scale

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.