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Finding the Fourth Proportional to 665,628.34, 918,567.57 and 363,822.34

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Solution

The fourth proportional to 665,628.34, 918,567.57 and 363,822.34 is: 502,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,628.34 : 918,567.57 = 363,822.34 : x
  2. Step 2: Convert to fraction form
    665,628.34/918,567.57 = 363,822.34/x
  3. Step 3: Cross multiply
    665,628.34x = 918,567.57 × 363,822.34
  4. Step 4: Simplify right side
    665,628.34x = 334,195,402,765.51
  5. Step 5: Solve for x
    x = 334,195,402,765.51/665,628.34
  6. Step 6: Final answer
    x = 502,075.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.