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Finding the Fourth Proportional to 673,208.70, 1,009,813.05 and 460,632.30

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Solution

The fourth proportional to 673,208.70, 1,009,813.05 and 460,632.30 is: 690,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,208.70 : 1,009,813.05 = 460,632.30 : x
  2. Step 2: Convert to fraction form
    673,208.70/1,009,813.05 = 460,632.30/x
  3. Step 3: Cross multiply
    673,208.70x = 1,009,813.05 × 460,632.30
  4. Step 4: Simplify right side
    673,208.70x = 465,152,507,791.52
  5. Step 5: Solve for x
    x = 465,152,507,791.52/673,208.70
  6. Step 6: Final answer
    x = 690,948.45

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Double scale
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Similar ratio
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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.