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Finding the Fourth Proportional to 319,887.44, 441,444.80 and 176,657.20

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Solution

The fourth proportional to 319,887.44, 441,444.80 and 176,657.20 is: 243,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,887.44 : 441,444.80 = 176,657.20 : x
  2. Step 2: Convert to fraction form
    319,887.44/441,444.80 = 176,657.20/x
  3. Step 3: Cross multiply
    319,887.44x = 441,444.80 × 176,657.20
  4. Step 4: Simplify right side
    319,887.44x = 77,984,402,322.56
  5. Step 5: Solve for x
    x = 77,984,402,322.56/319,887.44
  6. Step 6: Final answer
    x = 243,787.01

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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.