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Finding the Fourth Proportional to 295,683.60, 443,603.16 and 153,538.32

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Solution

The fourth proportional to 295,683.60, 443,603.16 and 153,538.32 is: 230,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,683.60 : 443,603.16 = 153,538.32 : x
  2. Step 2: Convert to fraction form
    295,683.60/443,603.16 = 153,538.32/x
  3. Step 3: Cross multiply
    295,683.60x = 443,603.16 × 153,538.32
  4. Step 4: Simplify right side
    295,683.60x = 68,110,083,933.09
  5. Step 5: Solve for x
    x = 68,110,083,933.09/295,683.60
  6. Step 6: Final answer
    x = 230,347.86

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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.