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Finding the Fourth Proportional to 384,159.96, 530,403.12 and 248,522.22

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Solution

The fourth proportional to 384,159.96, 530,403.12 and 248,522.22 is: 343,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,159.96 : 530,403.12 = 248,522.22 : x
  2. Step 2: Convert to fraction form
    384,159.96/530,403.12 = 248,522.22/x
  3. Step 3: Cross multiply
    384,159.96x = 530,403.12 × 248,522.22
  4. Step 4: Simplify right side
    384,159.96x = 131,816,960,877.33
  5. Step 5: Solve for x
    x = 131,816,960,877.33/384,159.96
  6. Step 6: Final answer
    x = 343,130.40

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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.