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Finding the Fourth Proportional to 393,952.90, 590,929.35 and 370,624.90

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Solution

The fourth proportional to 393,952.90, 590,929.35 and 370,624.90 is: 555,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,952.90 : 590,929.35 = 370,624.90 : x
  2. Step 2: Convert to fraction form
    393,952.90/590,929.35 = 370,624.90/x
  3. Step 3: Cross multiply
    393,952.90x = 590,929.35 × 370,624.90
  4. Step 4: Simplify right side
    393,952.90x = 219,013,131,250.82
  5. Step 5: Solve for x
    x = 219,013,131,250.82/393,952.90
  6. Step 6: Final answer
    x = 555,937.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.