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Finding the Fourth Proportional to 606,905.40, 875,063.52 and 606,905.40

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Solution

The fourth proportional to 606,905.40, 875,063.52 and 606,905.40 is: 875,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,905.40 : 875,063.52 = 606,905.40 : x
  2. Step 2: Convert to fraction form
    606,905.40/875,063.52 = 606,905.40/x
  3. Step 3: Cross multiply
    606,905.40x = 875,063.52 × 606,905.40
  4. Step 4: Simplify right side
    606,905.40x = 531,080,775,631.01
  5. Step 5: Solve for x
    x = 531,080,775,631.01/606,905.40
  6. Step 6: Final answer
    x = 875,063.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.