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Finding the Fourth Proportional to 484,829.60, 727,244.40 and 358,858.40

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Solution

The fourth proportional to 484,829.60, 727,244.40 and 358,858.40 is: 538,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,829.60 : 727,244.40 = 358,858.40 : x
  2. Step 2: Convert to fraction form
    484,829.60/727,244.40 = 358,858.40/x
  3. Step 3: Cross multiply
    484,829.60x = 727,244.40 × 358,858.40
  4. Step 4: Simplify right side
    484,829.60x = 260,977,761,792.96
  5. Step 5: Solve for x
    x = 260,977,761,792.96/484,829.60
  6. Step 6: Final answer
    x = 538,287.60

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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.