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Finding the Fourth Proportional to 535,532, 803,265.33 and 219,980.84

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Solution

The fourth proportional to 535,532, 803,265.33 and 219,980.84 is: 329,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,532 : 803,265.33 = 219,980.84 : x
  2. Step 2: Convert to fraction form
    535,532/803,265.33 = 219,980.84/x
  3. Step 3: Cross multiply
    535,532x = 803,265.33 × 219,980.84
  4. Step 4: Simplify right side
    535,532x = 176,702,982,036.28
  5. Step 5: Solve for x
    x = 176,702,982,036.28/535,532
  6. Step 6: Final answer
    x = 329,957.84

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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.