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Finding the Fourth Proportional to 434,561.30, 650,805.15 and 434,561.30

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Solution

The fourth proportional to 434,561.30, 650,805.15 and 434,561.30 is: 650,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,561.30 : 650,805.15 = 434,561.30 : x
  2. Step 2: Convert to fraction form
    434,561.30/650,805.15 = 434,561.30/x
  3. Step 3: Cross multiply
    434,561.30x = 650,805.15 × 434,561.30
  4. Step 4: Simplify right side
    434,561.30x = 282,814,732,030.70
  5. Step 5: Solve for x
    x = 282,814,732,030.70/434,561.30
  6. Step 6: Final answer
    x = 650,805.15

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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.