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Finding the Fourth Proportional to 755,833.61, 1,043,051.43 and 411,670.88

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Solution

The fourth proportional to 755,833.61, 1,043,051.43 and 411,670.88 is: 568,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,833.61 : 1,043,051.43 = 411,670.88 : x
  2. Step 2: Convert to fraction form
    755,833.61/1,043,051.43 = 411,670.88/x
  3. Step 3: Cross multiply
    755,833.61x = 1,043,051.43 × 411,670.88
  4. Step 4: Simplify right side
    755,833.61x = 429,393,894,858.10
  5. Step 5: Solve for x
    x = 429,393,894,858.10/755,833.61
  6. Step 6: Final answer
    x = 568,106.38

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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.