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Finding the Fourth Proportional to 502,022.56, 692,799.60 and 275,689.12

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Solution

The fourth proportional to 502,022.56, 692,799.60 and 275,689.12 is: 380,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,022.56 : 692,799.60 = 275,689.12 : x
  2. Step 2: Convert to fraction form
    502,022.56/692,799.60 = 275,689.12/x
  3. Step 3: Cross multiply
    502,022.56x = 692,799.60 × 275,689.12
  4. Step 4: Simplify right side
    502,022.56x = 190,997,312,060.35
  5. Step 5: Solve for x
    x = 190,997,312,060.35/502,022.56
  6. Step 6: Final answer
    x = 380,455.64

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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.