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Finding the Fourth Proportional to 292,503.70, 438,099.45 and 240,015.70

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Solution

The fourth proportional to 292,503.70, 438,099.45 and 240,015.70 is: 359,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,503.70 : 438,099.45 = 240,015.70 : x
  2. Step 2: Convert to fraction form
    292,503.70/438,099.45 = 240,015.70/x
  3. Step 3: Cross multiply
    292,503.70x = 438,099.45 × 240,015.70
  4. Step 4: Simplify right side
    292,503.70x = 105,150,746,161.37
  5. Step 5: Solve for x
    x = 105,150,746,161.37/292,503.70
  6. Step 6: Final answer
    x = 359,485.18

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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.