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Finding the Fourth Proportional to 436,622.40, 602,513.64 and 245,627.64

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Solution

The fourth proportional to 436,622.40, 602,513.64 and 245,627.64 is: 338,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,622.40 : 602,513.64 = 245,627.64 : x
  2. Step 2: Convert to fraction form
    436,622.40/602,513.64 = 245,627.64/x
  3. Step 3: Cross multiply
    436,622.40x = 602,513.64 × 245,627.64
  4. Step 4: Simplify right side
    436,622.40x = 147,994,003,461.01
  5. Step 5: Solve for x
    x = 147,994,003,461.01/436,622.40
  6. Step 6: Final answer
    x = 338,951.93

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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.