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Finding the Fourth Proportional to 633,089.08, 949,775.86 and 212,354.20

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Solution

The fourth proportional to 633,089.08, 949,775.86 and 212,354.20 is: 318,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,089.08 : 949,775.86 = 212,354.20 : x
  2. Step 2: Convert to fraction form
    633,089.08/949,775.86 = 212,354.20/x
  3. Step 3: Cross multiply
    633,089.08x = 949,775.86 × 212,354.20
  4. Step 4: Simplify right side
    633,089.08x = 201,688,892,929.61
  5. Step 5: Solve for x
    x = 201,688,892,929.61/633,089.08
  6. Step 6: Final answer
    x = 318,579.01

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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.