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Finding the Fourth Proportional to 473,907.80, 710,861.70 and 118,933.40

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Solution

The fourth proportional to 473,907.80, 710,861.70 and 118,933.40 is: 178,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,907.80 : 710,861.70 = 118,933.40 : x
  2. Step 2: Convert to fraction form
    473,907.80/710,861.70 = 118,933.40/x
  3. Step 3: Cross multiply
    473,907.80x = 710,861.70 × 118,933.40
  4. Step 4: Simplify right side
    473,907.80x = 84,545,198,910.78
  5. Step 5: Solve for x
    x = 84,545,198,910.78/473,907.80
  6. Step 6: Final answer
    x = 178,400.10

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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.