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Finding the Fourth Proportional to 338,653.20, 473,492.40 and 338,653.20

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Solution

The fourth proportional to 338,653.20, 473,492.40 and 338,653.20 is: 473,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,653.20 : 473,492.40 = 338,653.20 : x
  2. Step 2: Convert to fraction form
    338,653.20/473,492.40 = 338,653.20/x
  3. Step 3: Cross multiply
    338,653.20x = 473,492.40 × 338,653.20
  4. Step 4: Simplify right side
    338,653.20x = 160,349,716,435.68
  5. Step 5: Solve for x
    x = 160,349,716,435.68/338,653.20
  6. Step 6: Final answer
    x = 473,492.40

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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.