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Finding the Fourth Proportional to 528,820.90, 793,063.14 and 173,753.08

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Solution

The fourth proportional to 528,820.90, 793,063.14 and 173,753.08 is: 260,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,820.90 : 793,063.14 = 173,753.08 : x
  2. Step 2: Convert to fraction form
    528,820.90/793,063.14 = 173,753.08/x
  3. Step 3: Cross multiply
    528,820.90x = 793,063.14 × 173,753.08
  4. Step 4: Simplify right side
    528,820.90x = 137,797,163,209.47
  5. Step 5: Solve for x
    x = 137,797,163,209.47/528,820.90
  6. Step 6: Final answer
    x = 260,574.35

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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.