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Finding the Fourth Proportional to 286,277.60, 401,341.60 and 286,277.60

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Solution

The fourth proportional to 286,277.60, 401,341.60 and 286,277.60 is: 401,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,277.60 : 401,341.60 = 286,277.60 : x
  2. Step 2: Convert to fraction form
    286,277.60/401,341.60 = 286,277.60/x
  3. Step 3: Cross multiply
    286,277.60x = 401,341.60 × 286,277.60
  4. Step 4: Simplify right side
    286,277.60x = 114,895,110,028.16
  5. Step 5: Solve for x
    x = 114,895,110,028.16/286,277.60
  6. Step 6: Final answer
    x = 401,341.60

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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.