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Finding the Fourth Proportional to 431,468.16, 595,426.71 and 240,477.45

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Solution

The fourth proportional to 431,468.16, 595,426.71 and 240,477.45 is: 331,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,468.16 : 595,426.71 = 240,477.45 : x
  2. Step 2: Convert to fraction form
    431,468.16/595,426.71 = 240,477.45/x
  3. Step 3: Cross multiply
    431,468.16x = 595,426.71 × 240,477.45
  4. Step 4: Simplify right side
    431,468.16x = 143,186,696,882.69
  5. Step 5: Solve for x
    x = 143,186,696,882.69/431,468.16
  6. Step 6: Final answer
    x = 331,859.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.