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Finding the Fourth Proportional to 601,950.78, 830,701.44 and 330,043.50

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Solution

The fourth proportional to 601,950.78, 830,701.44 and 330,043.50 is: 455,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,950.78 : 830,701.44 = 330,043.50 : x
  2. Step 2: Convert to fraction form
    601,950.78/830,701.44 = 330,043.50/x
  3. Step 3: Cross multiply
    601,950.78x = 830,701.44 × 330,043.50
  4. Step 4: Simplify right side
    601,950.78x = 274,167,610,712.64
  5. Step 5: Solve for x
    x = 274,167,610,712.64/601,950.78
  6. Step 6: Final answer
    x = 455,465.16

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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.