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Finding the Fourth Proportional to 292,444.70, 438,667.02 and 159,436.80

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Solution

The fourth proportional to 292,444.70, 438,667.02 and 159,436.80 is: 239,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,444.70 : 438,667.02 = 159,436.80 : x
  2. Step 2: Convert to fraction form
    292,444.70/438,667.02 = 159,436.80/x
  3. Step 3: Cross multiply
    292,444.70x = 438,667.02 × 159,436.80
  4. Step 4: Simplify right side
    292,444.70x = 69,939,665,934.34
  5. Step 5: Solve for x
    x = 69,939,665,934.34/292,444.70
  6. Step 6: Final answer
    x = 239,155.19

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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.