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Finding the Fourth Proportional to 538,448.36, 801,694.67 and 530,908.16

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Solution

The fourth proportional to 538,448.36, 801,694.67 and 530,908.16 is: 790,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,448.36 : 801,694.67 = 530,908.16 : x
  2. Step 2: Convert to fraction form
    538,448.36/801,694.67 = 530,908.16/x
  3. Step 3: Cross multiply
    538,448.36x = 801,694.67 × 530,908.16
  4. Step 4: Simplify right side
    538,448.36x = 425,626,235,468.49
  5. Step 5: Solve for x
    x = 425,626,235,468.49/538,448.36
  6. Step 6: Final answer
    x = 790,468.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.