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Finding the Fourth Proportional to 524,572,391.70, 786,804,665.67 and 174,780,679.50

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Solution

The fourth proportional to 524,572,391.70, 786,804,665.67 and 174,780,679.50 is: 262,153,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,572,391.70 : 786,804,665.67 = 174,780,679.50 : x
  2. Step 2: Convert to fraction form
    524,572,391.70/786,804,665.67 = 174,780,679.50/x
  3. Step 3: Cross multiply
    524,572,391.70x = 786,804,665.67 × 174,780,679.50
  4. Step 4: Simplify right side
    524,572,391.70x = 137,518,254,099,572,912
  5. Step 5: Solve for x
    x = 137,518,254,099,572,912/524,572,391.70
  6. Step 6: Final answer
    x = 262,153,053.18

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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.