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Finding the Fourth Proportional to 538,929.32, 808,171.56 and 183,971.93

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Solution

The fourth proportional to 538,929.32, 808,171.56 and 183,971.93 is: 275,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,929.32 : 808,171.56 = 183,971.93 : x
  2. Step 2: Convert to fraction form
    538,929.32/808,171.56 = 183,971.93/x
  3. Step 3: Cross multiply
    538,929.32x = 808,171.56 × 183,971.93
  4. Step 4: Simplify right side
    538,929.32x = 148,680,877,623.45
  5. Step 5: Solve for x
    x = 148,680,877,623.45/538,929.32
  6. Step 6: Final answer
    x = 275,881.96

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1.5x scale

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.