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Finding the Fourth Proportional to 748,374.48, 1,122,197.88 and 249,570

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Solution

The fourth proportional to 748,374.48, 1,122,197.88 and 249,570 is: 374,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,374.48 : 1,122,197.88 = 249,570 : x
  2. Step 2: Convert to fraction form
    748,374.48/1,122,197.88 = 249,570/x
  3. Step 3: Cross multiply
    748,374.48x = 1,122,197.88 × 249,570
  4. Step 4: Simplify right side
    748,374.48x = 280,066,924,911.60
  5. Step 5: Solve for x
    x = 280,066,924,911.60/748,374.48
  6. Step 6: Final answer
    x = 374,233.67

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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.