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Finding the Fourth Proportional to 315,417.10, 473,132.29 and 113,026.39

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Solution

The fourth proportional to 315,417.10, 473,132.29 and 113,026.39 is: 169,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,417.10 : 473,132.29 = 113,026.39 : x
  2. Step 2: Convert to fraction form
    315,417.10/473,132.29 = 113,026.39/x
  3. Step 3: Cross multiply
    315,417.10x = 473,132.29 × 113,026.39
  4. Step 4: Simplify right side
    315,417.10x = 53,476,432,365.47
  5. Step 5: Solve for x
    x = 53,476,432,365.47/315,417.10
  6. Step 6: Final answer
    x = 169,541.96

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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.