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Finding the Fourth Proportional to 637,920.60, 956,880.90 and 194,688.60

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Solution

The fourth proportional to 637,920.60, 956,880.90 and 194,688.60 is: 292,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,920.60 : 956,880.90 = 194,688.60 : x
  2. Step 2: Convert to fraction form
    637,920.60/956,880.90 = 194,688.60/x
  3. Step 3: Cross multiply
    637,920.60x = 956,880.90 × 194,688.60
  4. Step 4: Simplify right side
    637,920.60x = 186,293,802,787.74
  5. Step 5: Solve for x
    x = 186,293,802,787.74/637,920.60
  6. Step 6: Final answer
    x = 292,032.90

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Similar ratio
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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.