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Finding the Fourth Proportional to 1,010,133.15, 1,515,731.76 and 583,968.34

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Solution

The fourth proportional to 1,010,133.15, 1,515,731.76 and 583,968.34 is: 876,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,133.15 : 1,515,731.76 = 583,968.34 : x
  2. Step 2: Convert to fraction form
    1,010,133.15/1,515,731.76 = 583,968.34/x
  3. Step 3: Cross multiply
    1,010,133.15x = 1,515,731.76 × 583,968.34
  4. Step 4: Simplify right side
    1,010,133.15x = 885,139,354,783.56
  5. Step 5: Solve for x
    x = 885,139,354,783.56/1,010,133.15
  6. Step 6: Final answer
    x = 876,260.08

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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.