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Finding the Fourth Proportional to 443,394, 611,898.84 and 242,202.96

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Solution

The fourth proportional to 443,394, 611,898.84 and 242,202.96 is: 334,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,394 : 611,898.84 = 242,202.96 : x
  2. Step 2: Convert to fraction form
    443,394/611,898.84 = 242,202.96/x
  3. Step 3: Cross multiply
    443,394x = 611,898.84 × 242,202.96
  4. Step 4: Simplify right side
    443,394x = 148,203,710,268.57
  5. Step 5: Solve for x
    x = 148,203,710,268.57/443,394
  6. Step 6: Final answer
    x = 334,248.34

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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.