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Finding the Fourth Proportional to 630,755.81, 946,551.59 and 346,644.77

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Solution

The fourth proportional to 630,755.81, 946,551.59 and 346,644.77 is: 520,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,755.81 : 946,551.59 = 346,644.77 : x
  2. Step 2: Convert to fraction form
    630,755.81/946,551.59 = 346,644.77/x
  3. Step 3: Cross multiply
    630,755.81x = 946,551.59 × 346,644.77
  4. Step 4: Simplify right side
    630,755.81x = 328,117,158,208.68
  5. Step 5: Solve for x
    x = 328,117,158,208.68/630,755.81
  6. Step 6: Final answer
    x = 520,196.81

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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.