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Finding the Fourth Proportional to 768,533.60, 1,152,800.40 and 532,337.60

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Solution

The fourth proportional to 768,533.60, 1,152,800.40 and 532,337.60 is: 798,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,533.60 : 1,152,800.40 = 532,337.60 : x
  2. Step 2: Convert to fraction form
    768,533.60/1,152,800.40 = 532,337.60/x
  3. Step 3: Cross multiply
    768,533.60x = 1,152,800.40 × 532,337.60
  4. Step 4: Simplify right side
    768,533.60x = 613,678,998,215.04
  5. Step 5: Solve for x
    x = 613,678,998,215.04/768,533.60
  6. Step 6: Final answer
    x = 798,506.40

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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.