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Finding the Fourth Proportional to 584,416.60, 877,661.70 and 451,619.80

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Solution

The fourth proportional to 584,416.60, 877,661.70 and 451,619.80 is: 678,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,416.60 : 877,661.70 = 451,619.80 : x
  2. Step 2: Convert to fraction form
    584,416.60/877,661.70 = 451,619.80/x
  3. Step 3: Cross multiply
    584,416.60x = 877,661.70 × 451,619.80
  4. Step 4: Simplify right side
    584,416.60x = 396,369,401,421.66
  5. Step 5: Solve for x
    x = 396,369,401,421.66/584,416.60
  6. Step 6: Final answer
    x = 678,230.91

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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.