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Finding the Fourth Proportional to 292,240.55, 438,364.01 and 102,706.32

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Solution

The fourth proportional to 292,240.55, 438,364.01 and 102,706.32 is: 154,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,240.55 : 438,364.01 = 102,706.32 : x
  2. Step 2: Convert to fraction form
    292,240.55/438,364.01 = 102,706.32/x
  3. Step 3: Cross multiply
    292,240.55x = 438,364.01 × 102,706.32
  4. Step 4: Simplify right side
    292,240.55x = 45,022,754,544.31
  5. Step 5: Solve for x
    x = 45,022,754,544.31/292,240.55
  6. Step 6: Final answer
    x = 154,060.60

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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.