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Finding the Fourth Proportional to 675,875.51, 932,645.00 and 403,889.39

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Solution

The fourth proportional to 675,875.51, 932,645.00 and 403,889.39 is: 557,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,875.51 : 932,645.00 = 403,889.39 : x
  2. Step 2: Convert to fraction form
    675,875.51/932,645.00 = 403,889.39/x
  3. Step 3: Cross multiply
    675,875.51x = 932,645.00 × 403,889.39
  4. Step 4: Simplify right side
    675,875.51x = 376,685,418,117.10
  5. Step 5: Solve for x
    x = 376,685,418,117.10/675,875.51
  6. Step 6: Final answer
    x = 557,329.59

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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.