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Finding the Fourth Proportional to 524,770.78, 724,220.30 and 295,350.02

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Solution

The fourth proportional to 524,770.78, 724,220.30 and 295,350.02 is: 407,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,770.78 : 724,220.30 = 295,350.02 : x
  2. Step 2: Convert to fraction form
    524,770.78/724,220.30 = 295,350.02/x
  3. Step 3: Cross multiply
    524,770.78x = 724,220.30 × 295,350.02
  4. Step 4: Simplify right side
    524,770.78x = 213,898,480,089.41
  5. Step 5: Solve for x
    x = 213,898,480,089.41/524,770.78
  6. Step 6: Final answer
    x = 407,603.64

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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.