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Finding the Fourth Proportional to 434,570.80, 650,819.40 and 434,570.80

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Solution

The fourth proportional to 434,570.80, 650,819.40 and 434,570.80 is: 650,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.80 : 650,819.40 = 434,570.80 : x
  2. Step 2: Convert to fraction form
    434,570.80/650,819.40 = 434,570.80/x
  3. Step 3: Cross multiply
    434,570.80x = 650,819.40 × 434,570.80
  4. Step 4: Simplify right side
    434,570.80x = 282,827,107,313.52
  5. Step 5: Solve for x
    x = 282,827,107,313.52/434,570.80
  6. Step 6: Final answer
    x = 650,819.40

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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.