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Finding the Fourth Proportional to 292,348.40, 403,442.04 and 158,212.40

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Solution

The fourth proportional to 292,348.40, 403,442.04 and 158,212.40 is: 218,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,348.40 : 403,442.04 = 158,212.40 : x
  2. Step 2: Convert to fraction form
    292,348.40/403,442.04 = 158,212.40/x
  3. Step 3: Cross multiply
    292,348.40x = 403,442.04 × 158,212.40
  4. Step 4: Simplify right side
    292,348.40x = 63,829,533,409.30
  5. Step 5: Solve for x
    x = 63,829,533,409.30/292,348.40
  6. Step 6: Final answer
    x = 218,333.79

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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.