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Finding the Fourth Proportional to 333,033.60, 499,547.70 and 143,627.88

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Solution

The fourth proportional to 333,033.60, 499,547.70 and 143,627.88 is: 215,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,033.60 : 499,547.70 = 143,627.88 : x
  2. Step 2: Convert to fraction form
    333,033.60/499,547.70 = 143,627.88/x
  3. Step 3: Cross multiply
    333,033.60x = 499,547.70 × 143,627.88
  4. Step 4: Simplify right side
    333,033.60x = 71,748,977,109.88
  5. Step 5: Solve for x
    x = 71,748,977,109.88/333,033.60
  6. Step 6: Final answer
    x = 215,440.66

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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.