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Finding the Fourth Proportional to 346,492.20, 486,022.20 and 346,492.20

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Solution

The fourth proportional to 346,492.20, 486,022.20 and 346,492.20 is: 486,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,492.20 : 486,022.20 = 346,492.20 : x
  2. Step 2: Convert to fraction form
    346,492.20/486,022.20 = 346,492.20/x
  3. Step 3: Cross multiply
    346,492.20x = 486,022.20 × 346,492.20
  4. Step 4: Simplify right side
    346,492.20x = 168,402,901,326.84
  5. Step 5: Solve for x
    x = 168,402,901,326.84/346,492.20
  6. Step 6: Final answer
    x = 486,022.20

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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.