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Finding the Fourth Proportional to 650,136.20, 973,892.10 and 369,325.40

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Solution

The fourth proportional to 650,136.20, 973,892.10 and 369,325.40 is: 553,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,136.20 : 973,892.10 = 369,325.40 : x
  2. Step 2: Convert to fraction form
    650,136.20/973,892.10 = 369,325.40/x
  3. Step 3: Cross multiply
    650,136.20x = 973,892.10 × 369,325.40
  4. Step 4: Simplify right side
    650,136.20x = 359,683,089,389.34
  5. Step 5: Solve for x
    x = 359,683,089,389.34/650,136.20
  6. Step 6: Final answer
    x = 553,242.67

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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.