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Finding the Fourth Proportional to 613,293.12, 846,338.04 and 341,356.68

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Solution

The fourth proportional to 613,293.12, 846,338.04 and 341,356.68 is: 471,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,293.12 : 846,338.04 = 341,356.68 : x
  2. Step 2: Convert to fraction form
    613,293.12/846,338.04 = 341,356.68/x
  3. Step 3: Cross multiply
    613,293.12x = 846,338.04 × 341,356.68
  4. Step 4: Simplify right side
    613,293.12x = 288,903,143,492.11
  5. Step 5: Solve for x
    x = 288,903,143,492.11/613,293.12
  6. Step 6: Final answer
    x = 471,068.62

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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.