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Finding the Fourth Proportional to 552,837.40, 829,256.10 and 178,898.20

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Solution

The fourth proportional to 552,837.40, 829,256.10 and 178,898.20 is: 268,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,837.40 : 829,256.10 = 178,898.20 : x
  2. Step 2: Convert to fraction form
    552,837.40/829,256.10 = 178,898.20/x
  3. Step 3: Cross multiply
    552,837.40x = 829,256.10 × 178,898.20
  4. Step 4: Simplify right side
    552,837.40x = 148,352,423,629.02
  5. Step 5: Solve for x
    x = 148,352,423,629.02/552,837.40
  6. Step 6: Final answer
    x = 268,347.30

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1.5x scale

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.