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Finding the Fourth Proportional to 984,700.62, 1,477,047.69 and 319,852.62

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Solution

The fourth proportional to 984,700.62, 1,477,047.69 and 319,852.62 is: 479,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,700.62 : 1,477,047.69 = 319,852.62 : x
  2. Step 2: Convert to fraction form
    984,700.62/1,477,047.69 = 319,852.62/x
  3. Step 3: Cross multiply
    984,700.62x = 1,477,047.69 × 319,852.62
  4. Step 4: Simplify right side
    984,700.62x = 472,437,573,511.45
  5. Step 5: Solve for x
    x = 472,437,573,511.45/984,700.62
  6. Step 6: Final answer
    x = 479,777.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.