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Finding the Fourth Proportional to 532,173.58, 734,401.56 and 290,461.48

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Solution

The fourth proportional to 532,173.58, 734,401.56 and 290,461.48 is: 400,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,173.58 : 734,401.56 = 290,461.48 : x
  2. Step 2: Convert to fraction form
    532,173.58/734,401.56 = 290,461.48/x
  3. Step 3: Cross multiply
    532,173.58x = 734,401.56 × 290,461.48
  4. Step 4: Simplify right side
    532,173.58x = 213,315,364,031.91
  5. Step 5: Solve for x
    x = 213,315,364,031.91/532,173.58
  6. Step 6: Final answer
    x = 400,837.94

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1.5x scale

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.