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Finding the Fourth Proportional to 576,037.40, 864,056.10 and 509,552.60

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Solution

The fourth proportional to 576,037.40, 864,056.10 and 509,552.60 is: 764,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,037.40 : 864,056.10 = 509,552.60 : x
  2. Step 2: Convert to fraction form
    576,037.40/864,056.10 = 509,552.60/x
  3. Step 3: Cross multiply
    576,037.40x = 864,056.10 × 509,552.60
  4. Step 4: Simplify right side
    576,037.40x = 440,282,032,300.86
  5. Step 5: Solve for x
    x = 440,282,032,300.86/576,037.40
  6. Step 6: Final answer
    x = 764,328.90

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Similar ratio
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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.