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Finding the Fourth Proportional to 613,549.98, 847,114.59 and 384,199.29

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Solution

The fourth proportional to 613,549.98, 847,114.59 and 384,199.29 is: 530,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,549.98 : 847,114.59 = 384,199.29 : x
  2. Step 2: Convert to fraction form
    613,549.98/847,114.59 = 384,199.29/x
  3. Step 3: Cross multiply
    613,549.98x = 847,114.59 × 384,199.29
  4. Step 4: Simplify right side
    613,549.98x = 325,460,824,026.64
  5. Step 5: Solve for x
    x = 325,460,824,026.64/613,549.98
  6. Step 6: Final answer
    x = 530,455.28

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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.