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Finding the Fourth Proportional to 416,264.63, 574,446.21 and 225,280.13

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Solution

The fourth proportional to 416,264.63, 574,446.21 and 225,280.13 is: 310,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,264.63 : 574,446.21 = 225,280.13 : x
  2. Step 2: Convert to fraction form
    416,264.63/574,446.21 = 225,280.13/x
  3. Step 3: Cross multiply
    416,264.63x = 574,446.21 × 225,280.13
  4. Step 4: Simplify right side
    416,264.63x = 129,411,316,866.81
  5. Step 5: Solve for x
    x = 129,411,316,866.81/416,264.63
  6. Step 6: Final answer
    x = 310,887.13

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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.