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Finding the Fourth Proportional to 553,767.78, 830,610.18 and 174,700.98

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Solution

The fourth proportional to 553,767.78, 830,610.18 and 174,700.98 is: 262,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,767.78 : 830,610.18 = 174,700.98 : x
  2. Step 2: Convert to fraction form
    553,767.78/830,610.18 = 174,700.98/x
  3. Step 3: Cross multiply
    553,767.78x = 830,610.18 × 174,700.98
  4. Step 4: Simplify right side
    553,767.78x = 145,108,412,443.98
  5. Step 5: Solve for x
    x = 145,108,412,443.98/553,767.78
  6. Step 6: Final answer
    x = 262,038.38

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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.