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Finding the Fourth Proportional to 591,771.79, 816,628.74 and 333,646.53

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Solution

The fourth proportional to 591,771.79, 816,628.74 and 333,646.53 is: 460,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,771.79 : 816,628.74 = 333,646.53 : x
  2. Step 2: Convert to fraction form
    591,771.79/816,628.74 = 333,646.53/x
  3. Step 3: Cross multiply
    591,771.79x = 816,628.74 × 333,646.53
  4. Step 4: Simplify right side
    591,771.79x = 272,465,341,085.74
  5. Step 5: Solve for x
    x = 272,465,341,085.74/591,771.79
  6. Step 6: Final answer
    x = 460,423.00

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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.