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Finding the Fourth Proportional to 346,800.20, 519,422.70 and 339,024.20

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Solution

The fourth proportional to 346,800.20, 519,422.70 and 339,024.20 is: 507,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,800.20 : 519,422.70 = 339,024.20 : x
  2. Step 2: Convert to fraction form
    346,800.20/519,422.70 = 339,024.20/x
  3. Step 3: Cross multiply
    346,800.20x = 519,422.70 × 339,024.20
  4. Step 4: Simplify right side
    346,800.20x = 176,096,865,329.34
  5. Step 5: Solve for x
    x = 176,096,865,329.34/346,800.20
  6. Step 6: Final answer
    x = 507,776.14

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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.