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Finding the Fourth Proportional to 453,382.80, 625,712.42 and 338,461.89

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Solution

The fourth proportional to 453,382.80, 625,712.42 and 338,461.89 is: 467,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,382.80 : 625,712.42 = 338,461.89 : x
  2. Step 2: Convert to fraction form
    453,382.80/625,712.42 = 338,461.89/x
  3. Step 3: Cross multiply
    453,382.80x = 625,712.42 × 338,461.89
  4. Step 4: Simplify right side
    453,382.80x = 211,779,808,269.67
  5. Step 5: Solve for x
    x = 211,779,808,269.67/453,382.80
  6. Step 6: Final answer
    x = 467,110.37

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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.