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Finding the Fourth Proportional to 358,476.10, 537,066.15 and 208,593.70

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Solution

The fourth proportional to 358,476.10, 537,066.15 and 208,593.70 is: 312,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,476.10 : 537,066.15 = 208,593.70 : x
  2. Step 2: Convert to fraction form
    358,476.10/537,066.15 = 208,593.70/x
  3. Step 3: Cross multiply
    358,476.10x = 537,066.15 × 208,593.70
  4. Step 4: Simplify right side
    358,476.10x = 112,028,615,373.26
  5. Step 5: Solve for x
    x = 112,028,615,373.26/358,476.10
  6. Step 6: Final answer
    x = 312,513.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.