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Finding the Fourth Proportional to 525,026.96, 724,491.32 and 292,436.40

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Solution

The fourth proportional to 525,026.96, 724,491.32 and 292,436.40 is: 403,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,026.96 : 724,491.32 = 292,436.40 : x
  2. Step 2: Convert to fraction form
    525,026.96/724,491.32 = 292,436.40/x
  3. Step 3: Cross multiply
    525,026.96x = 724,491.32 × 292,436.40
  4. Step 4: Simplify right side
    525,026.96x = 211,867,633,452.05
  5. Step 5: Solve for x
    x = 211,867,633,452.05/525,026.96
  6. Step 6: Final answer
    x = 403,536.67

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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.