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Finding the Fourth Proportional to 673,454.71, 929,389.14 and 383,058.82

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Solution

The fourth proportional to 673,454.71, 929,389.14 and 383,058.82 is: 528,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,454.71 : 929,389.14 = 383,058.82 : x
  2. Step 2: Convert to fraction form
    673,454.71/929,389.14 = 383,058.82/x
  3. Step 3: Cross multiply
    673,454.71x = 929,389.14 × 383,058.82
  4. Step 4: Simplify right side
    673,454.71x = 356,010,708,450.95
  5. Step 5: Solve for x
    x = 356,010,708,450.95/673,454.71
  6. Step 6: Final answer
    x = 528,633.49

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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.