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Finding the Fourth Proportional to 637,203.46, 879,333.81 and 350,717.41

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Solution

The fourth proportional to 637,203.46, 879,333.81 and 350,717.41 is: 483,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,203.46 : 879,333.81 = 350,717.41 : x
  2. Step 2: Convert to fraction form
    637,203.46/879,333.81 = 350,717.41/x
  3. Step 3: Cross multiply
    637,203.46x = 879,333.81 × 350,717.41
  4. Step 4: Simplify right side
    637,203.46x = 308,397,676,368.63
  5. Step 5: Solve for x
    x = 308,397,676,368.63/637,203.46
  6. Step 6: Final answer
    x = 483,986.19

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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.