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Finding the Fourth Proportional to 346,799.20, 486,452 and 346,799.20

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Solution

The fourth proportional to 346,799.20, 486,452 and 346,799.20 is: 486,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,799.20 : 486,452 = 346,799.20 : x
  2. Step 2: Convert to fraction form
    346,799.20/486,452 = 346,799.20/x
  3. Step 3: Cross multiply
    346,799.20x = 486,452 × 346,799.20
  4. Step 4: Simplify right side
    346,799.20x = 168,701,164,438.40
  5. Step 5: Solve for x
    x = 168,701,164,438.40/346,799.20
  6. Step 6: Final answer
    x = 486,452.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.