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Finding the Fourth Proportional to 292,336.40, 403,425.48 and 158,200.40

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Solution

The fourth proportional to 292,336.40, 403,425.48 and 158,200.40 is: 218,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,336.40 : 403,425.48 = 158,200.40 : x
  2. Step 2: Convert to fraction form
    292,336.40/403,425.48 = 158,200.40/x
  3. Step 3: Cross multiply
    292,336.40x = 403,425.48 × 158,200.40
  4. Step 4: Simplify right side
    292,336.40x = 63,822,072,306.19
  5. Step 5: Solve for x
    x = 63,822,072,306.19/292,336.40
  6. Step 6: Final answer
    x = 218,317.23

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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.