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Finding the Fourth Proportional to 488,556.42, 731,751.93 and 375,403.74

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Solution

The fourth proportional to 488,556.42, 731,751.93 and 375,403.74 is: 562,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,556.42 : 731,751.93 = 375,403.74 : x
  2. Step 2: Convert to fraction form
    488,556.42/731,751.93 = 375,403.74/x
  3. Step 3: Cross multiply
    488,556.42x = 731,751.93 × 375,403.74
  4. Step 4: Simplify right side
    488,556.42x = 274,702,411,274.22
  5. Step 5: Solve for x
    x = 274,702,411,274.22/488,556.42
  6. Step 6: Final answer
    x = 562,273.67

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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.