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Finding the Fourth Proportional to 835,706.50, 1,254,057.88 and 303,269.08

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Solution

The fourth proportional to 835,706.50, 1,254,057.88 and 303,269.08 is: 455,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,706.50 : 1,254,057.88 = 303,269.08 : x
  2. Step 2: Convert to fraction form
    835,706.50/1,254,057.88 = 303,269.08/x
  3. Step 3: Cross multiply
    835,706.50x = 1,254,057.88 × 303,269.08
  4. Step 4: Simplify right side
    835,706.50x = 380,316,979,534.35
  5. Step 5: Solve for x
    x = 380,316,979,534.35/835,706.50
  6. Step 6: Final answer
    x = 455,084.39

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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.