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Finding the Fourth Proportional to 867,477.10, 1,300,178.85 and 446,536.30

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Solution

The fourth proportional to 867,477.10, 1,300,178.85 and 446,536.30 is: 669,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,477.10 : 1,300,178.85 = 446,536.30 : x
  2. Step 2: Convert to fraction form
    867,477.10/1,300,178.85 = 446,536.30/x
  3. Step 3: Cross multiply
    867,477.10x = 1,300,178.85 × 446,536.30
  4. Step 4: Simplify right side
    867,477.10x = 580,577,053,017.26
  5. Step 5: Solve for x
    x = 580,577,053,017.26/867,477.10
  6. Step 6: Final answer
    x = 669,270.75

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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.