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Finding the Fourth Proportional to 538,024.19, 742,444.56 and 296,259.57

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Solution

The fourth proportional to 538,024.19, 742,444.56 and 296,259.57 is: 408,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,024.19 : 742,444.56 = 296,259.57 : x
  2. Step 2: Convert to fraction form
    538,024.19/742,444.56 = 296,259.57/x
  3. Step 3: Cross multiply
    538,024.19x = 742,444.56 × 296,259.57
  4. Step 4: Simplify right side
    538,024.19x = 219,956,306,094.44
  5. Step 5: Solve for x
    x = 219,956,306,094.44/538,024.19
  6. Step 6: Final answer
    x = 408,822.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.