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Finding the Fourth Proportional to 654,332.20, 918,164.60 and 654,332.20

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Solution

The fourth proportional to 654,332.20, 918,164.60 and 654,332.20 is: 918,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,332.20 : 918,164.60 = 654,332.20 : x
  2. Step 2: Convert to fraction form
    654,332.20/918,164.60 = 654,332.20/x
  3. Step 3: Cross multiply
    654,332.20x = 918,164.60 × 654,332.20
  4. Step 4: Simplify right side
    654,332.20x = 600,784,662,680.12
  5. Step 5: Solve for x
    x = 600,784,662,680.12/654,332.20
  6. Step 6: Final answer
    x = 918,164.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.