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Finding the Fourth Proportional to 691,242.24, 953,550.24 and 476,009.28

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Solution

The fourth proportional to 691,242.24, 953,550.24 and 476,009.28 is: 656,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,242.24 : 953,550.24 = 476,009.28 : x
  2. Step 2: Convert to fraction form
    691,242.24/953,550.24 = 476,009.28/x
  3. Step 3: Cross multiply
    691,242.24x = 953,550.24 × 476,009.28
  4. Step 4: Simplify right side
    691,242.24x = 453,898,763,186.23
  5. Step 5: Solve for x
    x = 453,898,763,186.23/691,242.24
  6. Step 6: Final answer
    x = 656,642.11

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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.