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Finding the Fourth Proportional to 292,495.80, 437,868.90 and 174,106.20

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Solution

The fourth proportional to 292,495.80, 437,868.90 and 174,106.20 is: 260,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,495.80 : 437,868.90 = 174,106.20 : x
  2. Step 2: Convert to fraction form
    292,495.80/437,868.90 = 174,106.20/x
  3. Step 3: Cross multiply
    292,495.80x = 437,868.90 × 174,106.20
  4. Step 4: Simplify right side
    292,495.80x = 76,235,690,277.18
  5. Step 5: Solve for x
    x = 76,235,690,277.18/292,495.80
  6. Step 6: Final answer
    x = 260,638.58

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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.