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Finding the Fourth Proportional to 292,994.40, 439,491.60 and 105,962.16

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Solution

The fourth proportional to 292,994.40, 439,491.60 and 105,962.16 is: 158,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,994.40 : 439,491.60 = 105,962.16 : x
  2. Step 2: Convert to fraction form
    292,994.40/439,491.60 = 105,962.16/x
  3. Step 3: Cross multiply
    292,994.40x = 439,491.60 × 105,962.16
  4. Step 4: Simplify right side
    292,994.40x = 46,569,479,237.86
  5. Step 5: Solve for x
    x = 46,569,479,237.86/292,994.40
  6. Step 6: Final answer
    x = 158,943.24

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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.