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Finding the Fourth Proportional to 526,565.60, 787,544.40 and 470,808.80

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Solution

The fourth proportional to 526,565.60, 787,544.40 and 470,808.80 is: 704,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,565.60 : 787,544.40 = 470,808.80 : x
  2. Step 2: Convert to fraction form
    526,565.60/787,544.40 = 470,808.80/x
  3. Step 3: Cross multiply
    526,565.60x = 787,544.40 × 470,808.80
  4. Step 4: Simplify right side
    526,565.60x = 370,782,833,910.72
  5. Step 5: Solve for x
    x = 370,782,833,910.72/526,565.60
  6. Step 6: Final answer
    x = 704,153.17

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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.