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Finding the Fourth Proportional to 453,830.27, 626,457.14 and 356,780.93

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Solution

The fourth proportional to 453,830.27, 626,457.14 and 356,780.93 is: 492,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,830.27 : 626,457.14 = 356,780.93 : x
  2. Step 2: Convert to fraction form
    453,830.27/626,457.14 = 356,780.93/x
  3. Step 3: Cross multiply
    453,830.27x = 626,457.14 × 356,780.93
  4. Step 4: Simplify right side
    453,830.27x = 223,507,959,230.44
  5. Step 5: Solve for x
    x = 223,507,959,230.44/453,830.27
  6. Step 6: Final answer
    x = 492,492.40

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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.