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Finding the Fourth Proportional to 701,435.54, 968,075.89 and 395,574.82

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Solution

The fourth proportional to 701,435.54, 968,075.89 and 395,574.82 is: 545,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,435.54 : 968,075.89 = 395,574.82 : x
  2. Step 2: Convert to fraction form
    701,435.54/968,075.89 = 395,574.82/x
  3. Step 3: Cross multiply
    701,435.54x = 968,075.89 × 395,574.82
  4. Step 4: Simplify right side
    701,435.54x = 382,946,445,933.09
  5. Step 5: Solve for x
    x = 382,946,445,933.09/701,435.54
  6. Step 6: Final answer
    x = 545,946.74

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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.