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Finding the Fourth Proportional to 531,617.16, 797,316.99 and 152,436.32

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Solution

The fourth proportional to 531,617.16, 797,316.99 and 152,436.32 is: 228,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,617.16 : 797,316.99 = 152,436.32 : x
  2. Step 2: Convert to fraction form
    531,617.16/797,316.99 = 152,436.32/x
  3. Step 3: Cross multiply
    531,617.16x = 797,316.99 × 152,436.32
  4. Step 4: Simplify right side
    531,617.16x = 121,540,066,260.79
  5. Step 5: Solve for x
    x = 121,540,066,260.79/531,617.16
  6. Step 6: Final answer
    x = 228,623.29

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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.