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Finding the Fourth Proportional to 286,044.30, 429,066.45 and 272,922.30

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Solution

The fourth proportional to 286,044.30, 429,066.45 and 272,922.30 is: 409,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,044.30 : 429,066.45 = 272,922.30 : x
  2. Step 2: Convert to fraction form
    286,044.30/429,066.45 = 272,922.30/x
  3. Step 3: Cross multiply
    286,044.30x = 429,066.45 × 272,922.30
  4. Step 4: Simplify right side
    286,044.30x = 117,101,802,386.84
  5. Step 5: Solve for x
    x = 117,101,802,386.84/286,044.30
  6. Step 6: Final answer
    x = 409,383.45

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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.