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Finding the Fourth Proportional to 566,303.80, 847,487.40 and 519,064.60

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Solution

The fourth proportional to 566,303.80, 847,487.40 and 519,064.60 is: 776,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,303.80 : 847,487.40 = 519,064.60 : x
  2. Step 2: Convert to fraction form
    566,303.80/847,487.40 = 519,064.60/x
  3. Step 3: Cross multiply
    566,303.80x = 847,487.40 × 519,064.60
  4. Step 4: Simplify right side
    566,303.80x = 439,900,708,286.04
  5. Step 5: Solve for x
    x = 439,900,708,286.04/566,303.80
  6. Step 6: Final answer
    x = 776,792.79

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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.