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Finding the Fourth Proportional to 526,907.80, 789,195.30 and 433,595.80

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Solution

The fourth proportional to 526,907.80, 789,195.30 and 433,595.80 is: 649,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,907.80 : 789,195.30 = 433,595.80 : x
  2. Step 2: Convert to fraction form
    526,907.80/789,195.30 = 433,595.80/x
  3. Step 3: Cross multiply
    526,907.80x = 789,195.30 × 433,595.80
  4. Step 4: Simplify right side
    526,907.80x = 342,191,767,459.74
  5. Step 5: Solve for x
    x = 342,191,767,459.74/526,907.80
  6. Step 6: Final answer
    x = 649,433.86

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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.