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Finding the Fourth Proportional to 459,048.98, 633,503.53 and 255,108.49

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Solution

The fourth proportional to 459,048.98, 633,503.53 and 255,108.49 is: 352,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,048.98 : 633,503.53 = 255,108.49 : x
  2. Step 2: Convert to fraction form
    459,048.98/633,503.53 = 255,108.49/x
  3. Step 3: Cross multiply
    459,048.98x = 633,503.53 × 255,108.49
  4. Step 4: Simplify right side
    459,048.98x = 161,612,127,672.43
  5. Step 5: Solve for x
    x = 161,612,127,672.43/459,048.98
  6. Step 6: Final answer
    x = 352,058.57

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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.