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Finding the Fourth Proportional to 623,228.70, 934,713.45 and 268,254.30

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Solution

The fourth proportional to 623,228.70, 934,713.45 and 268,254.30 is: 402,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,228.70 : 934,713.45 = 268,254.30 : x
  2. Step 2: Convert to fraction form
    623,228.70/934,713.45 = 268,254.30/x
  3. Step 3: Cross multiply
    623,228.70x = 934,713.45 × 268,254.30
  4. Step 4: Simplify right side
    623,228.70x = 250,740,902,230.34
  5. Step 5: Solve for x
    x = 250,740,902,230.34/623,228.70
  6. Step 6: Final answer
    x = 402,325.67

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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.