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Finding the Fourth Proportional to 633,590.16, 874,355.16 and 343,202.34

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Solution

The fourth proportional to 633,590.16, 874,355.16 and 343,202.34 is: 473,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,590.16 : 874,355.16 = 343,202.34 : x
  2. Step 2: Convert to fraction form
    633,590.16/874,355.16 = 343,202.34/x
  3. Step 3: Cross multiply
    633,590.16x = 874,355.16 × 343,202.34
  4. Step 4: Simplify right side
    633,590.16x = 300,080,736,903.07
  5. Step 5: Solve for x
    x = 300,080,736,903.07/633,590.16
  6. Step 6: Final answer
    x = 473,619.63

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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.