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Finding the Fourth Proportional to 637,927.14, 956,978.19 and 188,683.32

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Solution

The fourth proportional to 637,927.14, 956,978.19 and 188,683.32 is: 283,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,927.14 : 956,978.19 = 188,683.32 : x
  2. Step 2: Convert to fraction form
    637,927.14/956,978.19 = 188,683.32/x
  3. Step 3: Cross multiply
    637,927.14x = 956,978.19 × 188,683.32
  4. Step 4: Simplify right side
    637,927.14x = 180,565,822,056.79
  5. Step 5: Solve for x
    x = 180,565,822,056.79/637,927.14
  6. Step 6: Final answer
    x = 283,050.85

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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.