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Finding the Fourth Proportional to 532,852.19, 735,327.44 and 291,129.57

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Solution

The fourth proportional to 532,852.19, 735,327.44 and 291,129.57 is: 401,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,852.19 : 735,327.44 = 291,129.57 : x
  2. Step 2: Convert to fraction form
    532,852.19/735,327.44 = 291,129.57/x
  3. Step 3: Cross multiply
    532,852.19x = 735,327.44 × 291,129.57
  4. Step 4: Simplify right side
    532,852.19x = 214,075,561,416.40
  5. Step 5: Solve for x
    x = 214,075,561,416.40/532,852.19
  6. Step 6: Final answer
    x = 401,754.12

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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.