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Finding the Fourth Proportional to 659,838.63, 910,577.31 and 358,032.63

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Solution

The fourth proportional to 659,838.63, 910,577.31 and 358,032.63 is: 494,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,838.63 : 910,577.31 = 358,032.63 : x
  2. Step 2: Convert to fraction form
    659,838.63/910,577.31 = 358,032.63/x
  3. Step 3: Cross multiply
    659,838.63x = 910,577.31 × 358,032.63
  4. Step 4: Simplify right side
    659,838.63x = 326,016,389,117.63
  5. Step 5: Solve for x
    x = 326,016,389,117.63/659,838.63
  6. Step 6: Final answer
    x = 494,085.03

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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.