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Finding the Fourth Proportional to 586,058.20, 879,087.30 and 562,438.60

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Solution

The fourth proportional to 586,058.20, 879,087.30 and 562,438.60 is: 843,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,058.20 : 879,087.30 = 562,438.60 : x
  2. Step 2: Convert to fraction form
    586,058.20/879,087.30 = 562,438.60/x
  3. Step 3: Cross multiply
    586,058.20x = 879,087.30 × 562,438.60
  4. Step 4: Simplify right side
    586,058.20x = 494,432,630,289.78
  5. Step 5: Solve for x
    x = 494,432,630,289.78/586,058.20
  6. Step 6: Final answer
    x = 843,657.90

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Similar ratio
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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.