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Finding the Fourth Proportional to 460,475.69, 630,853.99 and 443,217.49

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Solution

The fourth proportional to 460,475.69, 630,853.99 and 443,217.49 is: 607,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,475.69 : 630,853.99 = 443,217.49 : x
  2. Step 2: Convert to fraction form
    460,475.69/630,853.99 = 443,217.49/x
  3. Step 3: Cross multiply
    460,475.69x = 630,853.99 × 443,217.49
  4. Step 4: Simplify right side
    460,475.69x = 279,605,519,319.11
  5. Step 5: Solve for x
    x = 279,605,519,319.11/460,475.69
  6. Step 6: Final answer
    x = 607,210.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.