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Finding the Fourth Proportional to 429,227.40, 592,386.30 and 238,302.30

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Solution

The fourth proportional to 429,227.40, 592,386.30 and 238,302.30 is: 328,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,227.40 : 592,386.30 = 238,302.30 : x
  2. Step 2: Convert to fraction form
    429,227.40/592,386.30 = 238,302.30/x
  3. Step 3: Cross multiply
    429,227.40x = 592,386.30 × 238,302.30
  4. Step 4: Simplify right side
    429,227.40x = 141,167,017,778.49
  5. Step 5: Solve for x
    x = 141,167,017,778.49/429,227.40
  6. Step 6: Final answer
    x = 328,886.31

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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.