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Finding the Fourth Proportional to 601,054.40, 829,456.80 and 329,124.80

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Solution

The fourth proportional to 601,054.40, 829,456.80 and 329,124.80 is: 454,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,054.40 : 829,456.80 = 329,124.80 : x
  2. Step 2: Convert to fraction form
    601,054.40/829,456.80 = 329,124.80/x
  3. Step 3: Cross multiply
    601,054.40x = 829,456.80 × 329,124.80
  4. Step 4: Simplify right side
    601,054.40x = 272,994,803,408.64
  5. Step 5: Solve for x
    x = 272,994,803,408.64/601,054.40
  6. Step 6: Final answer
    x = 454,193.17

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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.