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Finding the Fourth Proportional to 595,510.40, 821,711.84 and 353,786.76

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Solution

The fourth proportional to 595,510.40, 821,711.84 and 353,786.76 is: 488,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,510.40 : 821,711.84 = 353,786.76 : x
  2. Step 2: Convert to fraction form
    595,510.40/821,711.84 = 353,786.76/x
  3. Step 3: Cross multiply
    595,510.40x = 821,711.84 × 353,786.76
  4. Step 4: Simplify right side
    595,510.40x = 290,710,763,649.75
  5. Step 5: Solve for x
    x = 290,710,763,649.75/595,510.40
  6. Step 6: Final answer
    x = 488,170.76

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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.