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Finding the Fourth Proportional to 572,590.80, 858,886.20 and 360,014.40

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Solution

The fourth proportional to 572,590.80, 858,886.20 and 360,014.40 is: 540,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,590.80 : 858,886.20 = 360,014.40 : x
  2. Step 2: Convert to fraction form
    572,590.80/858,886.20 = 360,014.40/x
  3. Step 3: Cross multiply
    572,590.80x = 858,886.20 × 360,014.40
  4. Step 4: Simplify right side
    572,590.80x = 309,211,399,961.28
  5. Step 5: Solve for x
    x = 309,211,399,961.28/572,590.80
  6. Step 6: Final answer
    x = 540,021.60

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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.