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Finding the Fourth Proportional to 496,153.60, 744,230.40 and 470,492.80

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Solution

The fourth proportional to 496,153.60, 744,230.40 and 470,492.80 is: 705,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,153.60 : 744,230.40 = 470,492.80 : x
  2. Step 2: Convert to fraction form
    496,153.60/744,230.40 = 470,492.80/x
  3. Step 3: Cross multiply
    496,153.60x = 744,230.40 × 470,492.80
  4. Step 4: Simplify right side
    496,153.60x = 350,155,044,741.12
  5. Step 5: Solve for x
    x = 350,155,044,741.12/496,153.60
  6. Step 6: Final answer
    x = 705,739.20

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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.