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Finding the Fourth Proportional to 292,411.26, 438,657.03 and 102,828.24

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Solution

The fourth proportional to 292,411.26, 438,657.03 and 102,828.24 is: 154,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,411.26 : 438,657.03 = 102,828.24 : x
  2. Step 2: Convert to fraction form
    292,411.26/438,657.03 = 102,828.24/x
  3. Step 3: Cross multiply
    292,411.26x = 438,657.03 × 102,828.24
  4. Step 4: Simplify right side
    292,411.26x = 45,106,330,358.53
  5. Step 5: Solve for x
    x = 45,106,330,358.53/292,411.26
  6. Step 6: Final answer
    x = 154,256.48

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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.