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Finding the Fourth Proportional to 434,598.20, 650,585.10 and 382,110.20

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Solution

The fourth proportional to 434,598.20, 650,585.10 and 382,110.20 is: 572,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,598.20 : 650,585.10 = 382,110.20 : x
  2. Step 2: Convert to fraction form
    434,598.20/650,585.10 = 382,110.20/x
  3. Step 3: Cross multiply
    434,598.20x = 650,585.10 × 382,110.20
  4. Step 4: Simplify right side
    434,598.20x = 248,595,202,678.02
  5. Step 5: Solve for x
    x = 248,595,202,678.02/434,598.20
  6. Step 6: Final answer
    x = 572,011.58

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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.