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Finding the Fourth Proportional to 319,750.80, 441,244.44 and 176,510.40

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Solution

The fourth proportional to 319,750.80, 441,244.44 and 176,510.40 is: 243,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,750.80 : 441,244.44 = 176,510.40 : x
  2. Step 2: Convert to fraction form
    319,750.80/441,244.44 = 176,510.40/x
  3. Step 3: Cross multiply
    319,750.80x = 441,244.44 × 176,510.40
  4. Step 4: Simplify right side
    319,750.80x = 77,884,232,602.18
  5. Step 5: Solve for x
    x = 77,884,232,602.18/319,750.80
  6. Step 6: Final answer
    x = 243,577.91

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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.