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Finding the Fourth Proportional to 292,075.68, 403,104.78 and 171,246.72

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Solution

The fourth proportional to 292,075.68, 403,104.78 and 171,246.72 is: 236,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,075.68 : 403,104.78 = 171,246.72 : x
  2. Step 2: Convert to fraction form
    292,075.68/403,104.78 = 171,246.72/x
  3. Step 3: Cross multiply
    292,075.68x = 403,104.78 × 171,246.72
  4. Step 4: Simplify right side
    292,075.68x = 69,030,371,391.32
  5. Step 5: Solve for x
    x = 69,030,371,391.32/292,075.68
  6. Step 6: Final answer
    x = 236,344.13

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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.