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Finding the Fourth Proportional to 704,893.34, 972,753.80 and 382,603.51

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Solution

The fourth proportional to 704,893.34, 972,753.80 and 382,603.51 is: 527,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,893.34 : 972,753.80 = 382,603.51 : x
  2. Step 2: Convert to fraction form
    704,893.34/972,753.80 = 382,603.51/x
  3. Step 3: Cross multiply
    704,893.34x = 972,753.80 × 382,603.51
  4. Step 4: Simplify right side
    704,893.34x = 372,179,018,245.84
  5. Step 5: Solve for x
    x = 372,179,018,245.84/704,893.34
  6. Step 6: Final answer
    x = 527,993.38

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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.