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Finding the Fourth Proportional to 540,334.50, 745,663.98 and 295,324.26

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Solution

The fourth proportional to 540,334.50, 745,663.98 and 295,324.26 is: 407,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,334.50 : 745,663.98 = 295,324.26 : x
  2. Step 2: Convert to fraction form
    540,334.50/745,663.98 = 295,324.26/x
  3. Step 3: Cross multiply
    540,334.50x = 745,663.98 × 295,324.26
  4. Step 4: Simplify right side
    540,334.50x = 220,212,663,102.16
  5. Step 5: Solve for x
    x = 220,212,663,102.16/540,334.50
  6. Step 6: Final answer
    x = 407,548.77

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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.