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Finding the Fourth Proportional to 654,383.61, 903,036.33 and 363,988.89

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Solution

The fourth proportional to 654,383.61, 903,036.33 and 363,988.89 is: 502,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,383.61 : 903,036.33 = 363,988.89 : x
  2. Step 2: Convert to fraction form
    654,383.61/903,036.33 = 363,988.89/x
  3. Step 3: Cross multiply
    654,383.61x = 903,036.33 × 363,988.89
  4. Step 4: Simplify right side
    654,383.61x = 328,695,191,386.37
  5. Step 5: Solve for x
    x = 328,695,191,386.37/654,383.61
  6. Step 6: Final answer
    x = 502,297.41

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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.