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Finding the Fourth Proportional to 662,694.30, 994,041.45 and 572,492.70

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Solution

The fourth proportional to 662,694.30, 994,041.45 and 572,492.70 is: 858,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,694.30 : 994,041.45 = 572,492.70 : x
  2. Step 2: Convert to fraction form
    662,694.30/994,041.45 = 572,492.70/x
  3. Step 3: Cross multiply
    662,694.30x = 994,041.45 × 572,492.70
  4. Step 4: Simplify right side
    662,694.30x = 569,081,473,622.42
  5. Step 5: Solve for x
    x = 569,081,473,622.42/662,694.30
  6. Step 6: Final answer
    x = 858,739.05

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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.