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Finding the Fourth Proportional to 552,609.60, 828,880.56 and 325,031.07

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Solution

The fourth proportional to 552,609.60, 828,880.56 and 325,031.07 is: 487,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,609.60 : 828,880.56 = 325,031.07 : x
  2. Step 2: Convert to fraction form
    552,609.60/828,880.56 = 325,031.07/x
  3. Step 3: Cross multiply
    552,609.60x = 828,880.56 × 325,031.07
  4. Step 4: Simplify right side
    552,609.60x = 269,411,935,319.00
  5. Step 5: Solve for x
    x = 269,411,935,319.00/552,609.60
  6. Step 6: Final answer
    x = 487,526.70

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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.