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Finding the Fourth Proportional to 723,097.36, 997,900.32 and 436,561.84

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Solution

The fourth proportional to 723,097.36, 997,900.32 and 436,561.84 is: 602,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,097.36 : 997,900.32 = 436,561.84 : x
  2. Step 2: Convert to fraction form
    723,097.36/997,900.32 = 436,561.84/x
  3. Step 3: Cross multiply
    723,097.36x = 997,900.32 × 436,561.84
  4. Step 4: Simplify right side
    723,097.36x = 435,645,199,835.79
  5. Step 5: Solve for x
    x = 435,645,199,835.79/723,097.36
  6. Step 6: Final answer
    x = 602,471.01

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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.