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Finding the Fourth Proportional to 554,226.30, 830,173.05 and 460,914.30

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Solution

The fourth proportional to 554,226.30, 830,173.05 and 460,914.30 is: 690,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,226.30 : 830,173.05 = 460,914.30 : x
  2. Step 2: Convert to fraction form
    554,226.30/830,173.05 = 460,914.30/x
  3. Step 3: Cross multiply
    554,226.30x = 830,173.05 × 460,914.30
  4. Step 4: Simplify right side
    554,226.30x = 382,638,630,219.62
  5. Step 5: Solve for x
    x = 382,638,630,219.62/554,226.30
  6. Step 6: Final answer
    x = 690,401.43

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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.