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Finding the Fourth Proportional to 346,291.80, 486,208.20 and 346,291.80

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Solution

The fourth proportional to 346,291.80, 486,208.20 and 346,291.80 is: 486,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,291.80 : 486,208.20 = 346,291.80 : x
  2. Step 2: Convert to fraction form
    346,291.80/486,208.20 = 346,291.80/x
  3. Step 3: Cross multiply
    346,291.80x = 486,208.20 × 346,291.80
  4. Step 4: Simplify right side
    346,291.80x = 168,369,912,752.76
  5. Step 5: Solve for x
    x = 168,369,912,752.76/346,291.80
  6. Step 6: Final answer
    x = 486,208.20

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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.