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Finding the Fourth Proportional to 292,358.54, 403,454.79 and 158,222.54

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Solution

The fourth proportional to 292,358.54, 403,454.79 and 158,222.54 is: 218,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,358.54 : 403,454.79 = 158,222.54 : x
  2. Step 2: Convert to fraction form
    292,358.54/403,454.79 = 158,222.54/x
  3. Step 3: Cross multiply
    292,358.54x = 403,454.79 × 158,222.54
  4. Step 4: Simplify right side
    292,358.54x = 63,835,642,657.60
  5. Step 5: Solve for x
    x = 63,835,642,657.60/292,358.54
  6. Step 6: Final answer
    x = 218,347.11

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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.