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Finding the Fourth Proportional to 429,465.48, 592,664.22 and 238,478.28

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Solution

The fourth proportional to 429,465.48, 592,664.22 and 238,478.28 is: 329,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,465.48 : 592,664.22 = 238,478.28 : x
  2. Step 2: Convert to fraction form
    429,465.48/592,664.22 = 238,478.28/x
  3. Step 3: Cross multiply
    429,465.48x = 592,664.22 × 238,478.28
  4. Step 4: Simplify right side
    429,465.48x = 141,337,543,803.14
  5. Step 5: Solve for x
    x = 141,337,543,803.14/429,465.48
  6. Step 6: Final answer
    x = 329,101.06

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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.