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Finding the Fourth Proportional to 704,767.32, 972,586.08 and 382,480.20

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Solution

The fourth proportional to 704,767.32, 972,586.08 and 382,480.20 is: 527,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,767.32 : 972,586.08 = 382,480.20 : x
  2. Step 2: Convert to fraction form
    704,767.32/972,586.08 = 382,480.20/x
  3. Step 3: Cross multiply
    704,767.32x = 972,586.08 × 382,480.20
  4. Step 4: Simplify right side
    704,767.32x = 371,994,918,395.62
  5. Step 5: Solve for x
    x = 371,994,918,395.62/704,767.32
  6. Step 6: Final answer
    x = 527,826.57

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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.