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Finding the Fourth Proportional to 704,896.18, 972,730.55 and 382,599.34

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Solution

The fourth proportional to 704,896.18, 972,730.55 and 382,599.34 is: 527,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,896.18 : 972,730.55 = 382,599.34 : x
  2. Step 2: Convert to fraction form
    704,896.18/972,730.55 = 382,599.34/x
  3. Step 3: Cross multiply
    704,896.18x = 972,730.55 × 382,599.34
  4. Step 4: Simplify right side
    704,896.18x = 372,166,064,952.51
  5. Step 5: Solve for x
    x = 372,166,064,952.51/704,896.18
  6. Step 6: Final answer
    x = 527,972.88

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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.