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Finding the Fourth Proportional to 626,526.48, 864,596.76 and 340,044.06

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Solution

The fourth proportional to 626,526.48, 864,596.76 and 340,044.06 is: 469,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,526.48 : 864,596.76 = 340,044.06 : x
  2. Step 2: Convert to fraction form
    626,526.48/864,596.76 = 340,044.06/x
  3. Step 3: Cross multiply
    626,526.48x = 864,596.76 × 340,044.06
  4. Step 4: Simplify right side
    626,526.48x = 294,000,992,533.25
  5. Step 5: Solve for x
    x = 294,000,992,533.25/626,526.48
  6. Step 6: Final answer
    x = 469,255.49

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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.