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Finding the Fourth Proportional to 292,363.16, 403,461.20 and 158,227.16

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Solution

The fourth proportional to 292,363.16, 403,461.20 and 158,227.16 is: 218,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,363.16 : 403,461.20 = 158,227.16 : x
  2. Step 2: Convert to fraction form
    292,363.16/403,461.20 = 158,227.16/x
  3. Step 3: Cross multiply
    292,363.16x = 403,461.20 × 158,227.16
  4. Step 4: Simplify right side
    292,363.16x = 63,838,518,224.45
  5. Step 5: Solve for x
    x = 63,838,518,224.45/292,363.16
  6. Step 6: Final answer
    x = 218,353.50

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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.