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Finding the Fourth Proportional to 525,101.40, 786,269.70 and 384,096.60

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Solution

The fourth proportional to 525,101.40, 786,269.70 and 384,096.60 is: 575,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101.40 : 786,269.70 = 384,096.60 : x
  2. Step 2: Convert to fraction form
    525,101.40/786,269.70 = 384,096.60/x
  3. Step 3: Cross multiply
    525,101.40x = 786,269.70 × 384,096.60
  4. Step 4: Simplify right side
    525,101.40x = 302,003,518,453.02
  5. Step 5: Solve for x
    x = 302,003,518,453.02/525,101.40
  6. Step 6: Final answer
    x = 575,133.71

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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.