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Finding the Fourth Proportional to 406,535.64, 561,060.72 and 234,460.32

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Solution

The fourth proportional to 406,535.64, 561,060.72 and 234,460.32 is: 323,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,535.64 : 561,060.72 = 234,460.32 : x
  2. Step 2: Convert to fraction form
    406,535.64/561,060.72 = 234,460.32/x
  3. Step 3: Cross multiply
    406,535.64x = 561,060.72 × 234,460.32
  4. Step 4: Simplify right side
    406,535.64x = 131,546,475,950.63
  5. Step 5: Solve for x
    x = 131,546,475,950.63/406,535.64
  6. Step 6: Final answer
    x = 323,579.20

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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.