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Finding the Fourth Proportional to 525,026.80, 724,408.68 and 295,537.60

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Solution

The fourth proportional to 525,026.80, 724,408.68 and 295,537.60 is: 407,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,026.80 : 724,408.68 = 295,537.60 : x
  2. Step 2: Convert to fraction form
    525,026.80/724,408.68 = 295,537.60/x
  3. Step 3: Cross multiply
    525,026.80x = 724,408.68 × 295,537.60
  4. Step 4: Simplify right side
    525,026.80x = 214,090,002,706.37
  5. Step 5: Solve for x
    x = 214,090,002,706.37/525,026.80
  6. Step 6: Final answer
    x = 407,769.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.