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Finding the Fourth Proportional to 543,962.50, 750,624.28 and 314,534.67

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Solution

The fourth proportional to 543,962.50, 750,624.28 and 314,534.67 is: 434,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,962.50 : 750,624.28 = 314,534.67 : x
  2. Step 2: Convert to fraction form
    543,962.50/750,624.28 = 314,534.67/x
  3. Step 3: Cross multiply
    543,962.50x = 750,624.28 × 314,534.67
  4. Step 4: Simplify right side
    543,962.50x = 236,097,360,203.79
  5. Step 5: Solve for x
    x = 236,097,360,203.79/543,962.50
  6. Step 6: Final answer
    x = 434,032.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.