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Finding the Fourth Proportional to 434,605.80, 651,908.70 and 222,029.40

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Solution

The fourth proportional to 434,605.80, 651,908.70 and 222,029.40 is: 333,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,605.80 : 651,908.70 = 222,029.40 : x
  2. Step 2: Convert to fraction form
    434,605.80/651,908.70 = 222,029.40/x
  3. Step 3: Cross multiply
    434,605.80x = 651,908.70 × 222,029.40
  4. Step 4: Simplify right side
    434,605.80x = 144,742,897,515.78
  5. Step 5: Solve for x
    x = 144,742,897,515.78/434,605.80
  6. Step 6: Final answer
    x = 333,044.10

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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.