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Finding the Fourth Proportional to 662,994.80, 994,492.20 and 572,793.20

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Solution

The fourth proportional to 662,994.80, 994,492.20 and 572,793.20 is: 859,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,994.80 : 994,492.20 = 572,793.20 : x
  2. Step 2: Convert to fraction form
    662,994.80/994,492.20 = 572,793.20/x
  3. Step 3: Cross multiply
    662,994.80x = 994,492.20 × 572,793.20
  4. Step 4: Simplify right side
    662,994.80x = 569,638,369,613.04
  5. Step 5: Solve for x
    x = 569,638,369,613.04/662,994.80
  6. Step 6: Final answer
    x = 859,189.80

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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.