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Finding the Fourth Proportional to 586,783.82, 880,003.20 and 249,820.58

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Solution

The fourth proportional to 586,783.82, 880,003.20 and 249,820.58 is: 374,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,783.82 : 880,003.20 = 249,820.58 : x
  2. Step 2: Convert to fraction form
    586,783.82/880,003.20 = 249,820.58/x
  3. Step 3: Cross multiply
    586,783.82x = 880,003.20 × 249,820.58
  4. Step 4: Simplify right side
    586,783.82x = 219,842,909,825.86
  5. Step 5: Solve for x
    x = 219,842,909,825.86/586,783.82
  6. Step 6: Final answer
    x = 374,657.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.