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Finding the Fourth Proportional to 429,123.36, 592,210.44 and 238,138.32

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Solution

The fourth proportional to 429,123.36, 592,210.44 and 238,138.32 is: 328,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,123.36 : 592,210.44 = 238,138.32 : x
  2. Step 2: Convert to fraction form
    429,123.36/592,210.44 = 238,138.32/x
  3. Step 3: Cross multiply
    429,123.36x = 592,210.44 × 238,138.32
  4. Step 4: Simplify right side
    429,123.36x = 141,027,999,268.06
  5. Step 5: Solve for x
    x = 141,027,999,268.06/429,123.36
  6. Step 6: Final answer
    x = 328,642.09

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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.