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Finding the Fourth Proportional to 652,954.52, 901,059.23 and 391,457.66

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Solution

The fourth proportional to 652,954.52, 901,059.23 and 391,457.66 is: 540,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,954.52 : 901,059.23 = 391,457.66 : x
  2. Step 2: Convert to fraction form
    652,954.52/901,059.23 = 391,457.66/x
  3. Step 3: Cross multiply
    652,954.52x = 901,059.23 × 391,457.66
  4. Step 4: Simplify right side
    652,954.52x = 352,726,534,465.91
  5. Step 5: Solve for x
    x = 352,726,534,465.91/652,954.52
  6. Step 6: Final answer
    x = 540,200.77

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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.