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Finding the Fourth Proportional to 407,671.29, 562,600.45 and 226,386.25

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Solution

The fourth proportional to 407,671.29, 562,600.45 and 226,386.25 is: 312,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,671.29 : 562,600.45 = 226,386.25 : x
  2. Step 2: Convert to fraction form
    407,671.29/562,600.45 = 226,386.25/x
  3. Step 3: Cross multiply
    407,671.29x = 562,600.45 × 226,386.25
  4. Step 4: Simplify right side
    407,671.29x = 127,365,006,123.81
  5. Step 5: Solve for x
    x = 127,365,006,123.81/407,671.29
  6. Step 6: Final answer
    x = 312,420.84

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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.