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Finding the Fourth Proportional to 526,912.40, 789,850.20 and 470,925.20

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Solution

The fourth proportional to 526,912.40, 789,850.20 and 470,925.20 is: 705,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,912.40 : 789,850.20 = 470,925.20 : x
  2. Step 2: Convert to fraction form
    526,912.40/789,850.20 = 470,925.20/x
  3. Step 3: Cross multiply
    526,912.40x = 789,850.20 × 470,925.20
  4. Step 4: Simplify right side
    526,912.40x = 371,960,363,405.04
  5. Step 5: Solve for x
    x = 371,960,363,405.04/526,912.40
  6. Step 6: Final answer
    x = 705,924.48

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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.