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Finding the Fourth Proportional to 633,435.39, 874,141.07 and 346,960.26

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Solution

The fourth proportional to 633,435.39, 874,141.07 and 346,960.26 is: 478,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,435.39 : 874,141.07 = 346,960.26 : x
  2. Step 2: Convert to fraction form
    633,435.39/874,141.07 = 346,960.26/x
  3. Step 3: Cross multiply
    633,435.39x = 874,141.07 × 346,960.26
  4. Step 4: Simplify right side
    633,435.39x = 303,292,211,189.08
  5. Step 5: Solve for x
    x = 303,292,211,189.08/633,435.39
  6. Step 6: Final answer
    x = 478,805.28

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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.