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Finding the Fourth Proportional to 704,599, 972,343.36 and 382,308.30

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Solution

The fourth proportional to 704,599, 972,343.36 and 382,308.30 is: 527,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,599 : 972,343.36 = 382,308.30 : x
  2. Step 2: Convert to fraction form
    704,599/972,343.36 = 382,308.30/x
  3. Step 3: Cross multiply
    704,599x = 972,343.36 × 382,308.30
  4. Step 4: Simplify right side
    704,599x = 371,734,936,977.89
  5. Step 5: Solve for x
    x = 371,734,936,977.89/704,599
  6. Step 6: Final answer
    x = 527,583.69

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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.