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Finding the Fourth Proportional to 316,702.80, 437,056.95 and 180,734.04

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Solution

The fourth proportional to 316,702.80, 437,056.95 and 180,734.04 is: 249,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,702.80 : 437,056.95 = 180,734.04 : x
  2. Step 2: Convert to fraction form
    316,702.80/437,056.95 = 180,734.04/x
  3. Step 3: Cross multiply
    316,702.80x = 437,056.95 × 180,734.04
  4. Step 4: Simplify right side
    316,702.80x = 78,991,068,283.58
  5. Step 5: Solve for x
    x = 78,991,068,283.58/316,702.80
  6. Step 6: Final answer
    x = 249,417.02

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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.