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Finding the Fourth Proportional to 292,569.50, 403,745.91 and 158,433.50

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Solution

The fourth proportional to 292,569.50, 403,745.91 and 158,433.50 is: 218,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,569.50 : 403,745.91 = 158,433.50 : x
  2. Step 2: Convert to fraction form
    292,569.50/403,745.91 = 158,433.50/x
  3. Step 3: Cross multiply
    292,569.50x = 403,745.91 × 158,433.50
  4. Step 4: Simplify right side
    292,569.50x = 63,966,877,631.99
  5. Step 5: Solve for x
    x = 63,966,877,631.99/292,569.50
  6. Step 6: Final answer
    x = 218,638.23

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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.