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Finding the Fourth Proportional to 572,586.80, 858,880.20 and 360,010.40

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Solution

The fourth proportional to 572,586.80, 858,880.20 and 360,010.40 is: 540,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,586.80 : 858,880.20 = 360,010.40 : x
  2. Step 2: Convert to fraction form
    572,586.80/858,880.20 = 360,010.40/x
  3. Step 3: Cross multiply
    572,586.80x = 858,880.20 × 360,010.40
  4. Step 4: Simplify right side
    572,586.80x = 309,205,804,354.08
  5. Step 5: Solve for x
    x = 309,205,804,354.08/572,586.80
  6. Step 6: Final answer
    x = 540,015.60

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Similar ratio
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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.