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Finding the Fourth Proportional to 292,808.68, 404,075.70 and 158,672.68

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Solution

The fourth proportional to 292,808.68, 404,075.70 and 158,672.68 is: 218,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,808.68 : 404,075.70 = 158,672.68 : x
  2. Step 2: Convert to fraction form
    292,808.68/404,075.70 = 158,672.68/x
  3. Step 3: Cross multiply
    292,808.68x = 404,075.70 × 158,672.68
  4. Step 4: Simplify right side
    292,808.68x = 64,115,774,241.88
  5. Step 5: Solve for x
    x = 64,115,774,241.88/292,808.68
  6. Step 6: Final answer
    x = 218,968.15

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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.