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Finding the Fourth Proportional to 464,893.39, 641,503.60 and 260,966.78

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Solution

The fourth proportional to 464,893.39, 641,503.60 and 260,966.78 is: 360,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,893.39 : 641,503.60 = 260,966.78 : x
  2. Step 2: Convert to fraction form
    464,893.39/641,503.60 = 260,966.78/x
  3. Step 3: Cross multiply
    464,893.39x = 641,503.60 × 260,966.78
  4. Step 4: Simplify right side
    464,893.39x = 167,411,127,396.11
  5. Step 5: Solve for x
    x = 167,411,127,396.11/464,893.39
  6. Step 6: Final answer
    x = 360,106.49

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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.