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Finding the Fourth Proportional to 292,412.71, 438,530.77 and 152,094.79

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Solution

The fourth proportional to 292,412.71, 438,530.77 and 152,094.79 is: 228,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,412.71 : 438,530.77 = 152,094.79 : x
  2. Step 2: Convert to fraction form
    292,412.71/438,530.77 = 152,094.79/x
  3. Step 3: Cross multiply
    292,412.71x = 438,530.77 × 152,094.79
  4. Step 4: Simplify right side
    292,412.71x = 66,698,245,371.69
  5. Step 5: Solve for x
    x = 66,698,245,371.69/292,412.71
  6. Step 6: Final answer
    x = 228,096.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.