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Finding the Fourth Proportional to 461,364.72, 636,683.40 and 260,160.72

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Solution

The fourth proportional to 461,364.72, 636,683.40 and 260,160.72 is: 359,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,364.72 : 636,683.40 = 260,160.72 : x
  2. Step 2: Convert to fraction form
    461,364.72/636,683.40 = 260,160.72/x
  3. Step 3: Cross multiply
    461,364.72x = 636,683.40 × 260,160.72
  4. Step 4: Simplify right side
    461,364.72x = 165,640,011,756.05
  5. Step 5: Solve for x
    x = 165,640,011,756.05/461,364.72
  6. Step 6: Final answer
    x = 359,021.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.