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Finding the Fourth Proportional to 566,999.40, 850,499.10 and 425,281.80

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Solution

The fourth proportional to 566,999.40, 850,499.10 and 425,281.80 is: 637,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,999.40 : 850,499.10 = 425,281.80 : x
  2. Step 2: Convert to fraction form
    566,999.40/850,499.10 = 425,281.80/x
  3. Step 3: Cross multiply
    566,999.40x = 850,499.10 × 425,281.80
  4. Step 4: Simplify right side
    566,999.40x = 361,701,788,146.38
  5. Step 5: Solve for x
    x = 361,701,788,146.38/566,999.40
  6. Step 6: Final answer
    x = 637,922.70

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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.