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Finding the Fourth Proportional to 623,138.76, 934,333.76 and 243,607.46

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Solution

The fourth proportional to 623,138.76, 934,333.76 and 243,607.46 is: 365,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,138.76 : 934,333.76 = 243,607.46 : x
  2. Step 2: Convert to fraction form
    623,138.76/934,333.76 = 243,607.46/x
  3. Step 3: Cross multiply
    623,138.76x = 934,333.76 × 243,607.46
  4. Step 4: Simplify right side
    623,138.76x = 227,610,674,065.85
  5. Step 5: Solve for x
    x = 227,610,674,065.85/623,138.76
  6. Step 6: Final answer
    x = 365,264.83

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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.