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Finding the Fourth Proportional to 556,632, 768,153.65 and 301,983.19

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Solution

The fourth proportional to 556,632, 768,153.65 and 301,983.19 is: 416,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,632 : 768,153.65 = 301,983.19 : x
  2. Step 2: Convert to fraction form
    556,632/768,153.65 = 301,983.19/x
  3. Step 3: Cross multiply
    556,632x = 768,153.65 × 301,983.19
  4. Step 4: Simplify right side
    556,632x = 231,969,486,206.84
  5. Step 5: Solve for x
    x = 231,969,486,206.84/556,632
  6. Step 6: Final answer
    x = 416,737.60

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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.