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Finding the Fourth Proportional to 472,193.07, 651,626.93 and 257,333.30

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Solution

The fourth proportional to 472,193.07, 651,626.93 and 257,333.30 is: 355,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,193.07 : 651,626.93 = 257,333.30 : x
  2. Step 2: Convert to fraction form
    472,193.07/651,626.93 = 257,333.30/x
  3. Step 3: Cross multiply
    472,193.07x = 651,626.93 × 257,333.30
  4. Step 4: Simplify right side
    472,193.07x = 167,685,308,265.77
  5. Step 5: Solve for x
    x = 167,685,308,265.77/472,193.07
  6. Step 6: Final answer
    x = 355,120.22

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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.