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Finding the Fourth Proportional to 633,065.56, 873,641.46 and 346,581.16

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Solution

The fourth proportional to 633,065.56, 873,641.46 and 346,581.16 is: 478,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,065.56 : 873,641.46 = 346,581.16 : x
  2. Step 2: Convert to fraction form
    633,065.56/873,641.46 = 346,581.16/x
  3. Step 3: Cross multiply
    633,065.56x = 873,641.46 × 346,581.16
  4. Step 4: Simplify right side
    633,065.56x = 302,787,670,630.89
  5. Step 5: Solve for x
    x = 302,787,670,630.89/633,065.56
  6. Step 6: Final answer
    x = 478,288.02

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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.