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Finding the Fourth Proportional to 319,802.71, 441,328.41 and 176,563.03

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Solution

The fourth proportional to 319,802.71, 441,328.41 and 176,563.03 is: 243,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,802.71 : 441,328.41 = 176,563.03 : x
  2. Step 2: Convert to fraction form
    319,802.71/441,328.41 = 176,563.03/x
  3. Step 3: Cross multiply
    319,802.71x = 441,328.41 × 176,563.03
  4. Step 4: Simplify right side
    319,802.71x = 77,922,281,294.68
  5. Step 5: Solve for x
    x = 77,922,281,294.68/319,802.71
  6. Step 6: Final answer
    x = 243,657.35

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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.