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Finding the Fourth Proportional to 528,021.71, 792,031.01 and 456,732.33

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Solution

The fourth proportional to 528,021.71, 792,031.01 and 456,732.33 is: 685,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,021.71 : 792,031.01 = 456,732.33 : x
  2. Step 2: Convert to fraction form
    528,021.71/792,031.01 = 456,732.33/x
  3. Step 3: Cross multiply
    528,021.71x = 792,031.01 × 456,732.33
  4. Step 4: Simplify right side
    528,021.71x = 361,746,168,629.55
  5. Step 5: Solve for x
    x = 361,746,168,629.55/528,021.71
  6. Step 6: Final answer
    x = 685,097.15

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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.