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Finding the Fourth Proportional to 654,549.51, 903,272.67 and 368,063.49

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Solution

The fourth proportional to 654,549.51, 903,272.67 and 368,063.49 is: 507,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,549.51 : 903,272.67 = 368,063.49 : x
  2. Step 2: Convert to fraction form
    654,549.51/903,272.67 = 368,063.49/x
  3. Step 3: Cross multiply
    654,549.51x = 903,272.67 × 368,063.49
  4. Step 4: Simplify right side
    654,549.51x = 332,461,691,341.82
  5. Step 5: Solve for x
    x = 332,461,691,341.82/654,549.51
  6. Step 6: Final answer
    x = 507,924.44

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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.