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Finding the Fourth Proportional to 423,373.16, 584,256.84 and 232,388.12

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Solution

The fourth proportional to 423,373.16, 584,256.84 and 232,388.12 is: 320,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,373.16 : 584,256.84 = 232,388.12 : x
  2. Step 2: Convert to fraction form
    423,373.16/584,256.84 = 232,388.12/x
  3. Step 3: Cross multiply
    423,373.16x = 584,256.84 × 232,388.12
  4. Step 4: Simplify right side
    423,373.16x = 135,774,348,644.74
  5. Step 5: Solve for x
    x = 135,774,348,644.74/423,373.16
  6. Step 6: Final answer
    x = 320,696.64

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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.