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Finding the Fourth Proportional to 601,666.20, 901,187.10 and 601,666.20

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Solution

The fourth proportional to 601,666.20, 901,187.10 and 601,666.20 is: 901,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,666.20 : 901,187.10 = 601,666.20 : x
  2. Step 2: Convert to fraction form
    601,666.20/901,187.10 = 601,666.20/x
  3. Step 3: Cross multiply
    601,666.20x = 901,187.10 × 601,666.20
  4. Step 4: Simplify right side
    601,666.20x = 542,213,817,946.02
  5. Step 5: Solve for x
    x = 542,213,817,946.02/601,666.20
  6. Step 6: Final answer
    x = 901,187.10

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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.