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Finding the Fourth Proportional to 401,950.80, 602,051.40 and 243,903.60

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Solution

The fourth proportional to 401,950.80, 602,051.40 and 243,903.60 is: 365,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,950.80 : 602,051.40 = 243,903.60 : x
  2. Step 2: Convert to fraction form
    401,950.80/602,051.40 = 243,903.60/x
  3. Step 3: Cross multiply
    401,950.80x = 602,051.40 × 243,903.60
  4. Step 4: Simplify right side
    401,950.80x = 146,842,503,845.04
  5. Step 5: Solve for x
    x = 146,842,503,845.04/401,950.80
  6. Step 6: Final answer
    x = 365,324.57

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1.5x scale

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.