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Finding the Fourth Proportional to 333,655.80, 460,654.16 and 257,030.61

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Solution

The fourth proportional to 333,655.80, 460,654.16 and 257,030.61 is: 354,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,655.80 : 460,654.16 = 257,030.61 : x
  2. Step 2: Convert to fraction form
    333,655.80/460,654.16 = 257,030.61/x
  3. Step 3: Cross multiply
    333,655.80x = 460,654.16 × 257,030.61
  4. Step 4: Simplify right side
    333,655.80x = 118,402,218,458.69
  5. Step 5: Solve for x
    x = 118,402,218,458.69/333,655.80
  6. Step 6: Final answer
    x = 354,863.36

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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.