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Finding the Fourth Proportional to 590,090.40, 885,423.60 and 274,384.80

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Solution

The fourth proportional to 590,090.40, 885,423.60 and 274,384.80 is: 411,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,090.40 : 885,423.60 = 274,384.80 : x
  2. Step 2: Convert to fraction form
    590,090.40/885,423.60 = 274,384.80/x
  3. Step 3: Cross multiply
    590,090.40x = 885,423.60 × 274,384.80
  4. Step 4: Simplify right side
    590,090.40x = 242,946,777,401.28
  5. Step 5: Solve for x
    x = 242,946,777,401.28/590,090.40
  6. Step 6: Final answer
    x = 411,711.12

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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.