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Finding the Fourth Proportional to 676,893.81, 934,113.63 and 370,982.34

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Solution

The fourth proportional to 676,893.81, 934,113.63 and 370,982.34 is: 511,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,893.81 : 934,113.63 = 370,982.34 : x
  2. Step 2: Convert to fraction form
    676,893.81/934,113.63 = 370,982.34/x
  3. Step 3: Cross multiply
    676,893.81x = 934,113.63 × 370,982.34
  4. Step 4: Simplify right side
    676,893.81x = 346,539,660,283.29
  5. Step 5: Solve for x
    x = 346,539,660,283.29/676,893.81
  6. Step 6: Final answer
    x = 511,955.72

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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.