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Finding the Fourth Proportional to 172,413,683.60, 258,620,525.40 and 172,413,683.60

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Solution

The fourth proportional to 172,413,683.60, 258,620,525.40 and 172,413,683.60 is: 258,620,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,683.60 : 258,620,525.40 = 172,413,683.60 : x
  2. Step 2: Convert to fraction form
    172,413,683.60/258,620,525.40 = 172,413,683.60/x
  3. Step 3: Cross multiply
    172,413,683.60x = 258,620,525.40 × 172,413,683.60
  4. Step 4: Simplify right side
    172,413,683.60x = 44,589,717,438,781,360
  5. Step 5: Solve for x
    x = 44,589,717,438,781,360/172,413,683.60
  6. Step 6: Final answer
    x = 258,620,525.40

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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.