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Finding the Fourth Proportional to 526,130.34, 789,197.16 and 147,048.57

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Solution

The fourth proportional to 526,130.34, 789,197.16 and 147,048.57 is: 220,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,130.34 : 789,197.16 = 147,048.57 : x
  2. Step 2: Convert to fraction form
    526,130.34/789,197.16 = 147,048.57/x
  3. Step 3: Cross multiply
    526,130.34x = 789,197.16 × 147,048.57
  4. Step 4: Simplify right side
    526,130.34x = 116,050,313,826.06
  5. Step 5: Solve for x
    x = 116,050,313,826.06/526,130.34
  6. Step 6: Final answer
    x = 220,573.32

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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.