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Finding the Fourth Proportional to 653,396.08, 901,683.12 and 366,941.20

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Solution

The fourth proportional to 653,396.08, 901,683.12 and 366,941.20 is: 506,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,396.08 : 901,683.12 = 366,941.20 : x
  2. Step 2: Convert to fraction form
    653,396.08/901,683.12 = 366,941.20/x
  3. Step 3: Cross multiply
    653,396.08x = 901,683.12 × 366,941.20
  4. Step 4: Simplify right side
    653,396.08x = 330,864,686,072.54
  5. Step 5: Solve for x
    x = 330,864,686,072.54/653,396.08
  6. Step 6: Final answer
    x = 506,376.91

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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.