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Finding the Fourth Proportional to 590,586.80, 885,880.20 and 235,655.60

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Solution

The fourth proportional to 590,586.80, 885,880.20 and 235,655.60 is: 353,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,586.80 : 885,880.20 = 235,655.60 : x
  2. Step 2: Convert to fraction form
    590,586.80/885,880.20 = 235,655.60/x
  3. Step 3: Cross multiply
    590,586.80x = 885,880.20 × 235,655.60
  4. Step 4: Simplify right side
    590,586.80x = 208,762,630,059.12
  5. Step 5: Solve for x
    x = 208,762,630,059.12/590,586.80
  6. Step 6: Final answer
    x = 353,483.40

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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.