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Finding the Fourth Proportional to 453,953.60, 626,724.24 and 403,506.80

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Solution

The fourth proportional to 453,953.60, 626,724.24 and 403,506.80 is: 557,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,953.60 : 626,724.24 = 403,506.80 : x
  2. Step 2: Convert to fraction form
    453,953.60/626,724.24 = 403,506.80/x
  3. Step 3: Cross multiply
    453,953.60x = 626,724.24 × 403,506.80
  4. Step 4: Simplify right side
    453,953.60x = 252,887,492,564.83
  5. Step 5: Solve for x
    x = 252,887,492,564.83/453,953.60
  6. Step 6: Final answer
    x = 557,077.84

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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.