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Finding the Fourth Proportional to 659,819.67, 910,550.52 and 358,013.67

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Solution

The fourth proportional to 659,819.67, 910,550.52 and 358,013.67 is: 494,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,819.67 : 910,550.52 = 358,013.67 : x
  2. Step 2: Convert to fraction form
    659,819.67/910,550.52 = 358,013.67/x
  3. Step 3: Cross multiply
    659,819.67x = 910,550.52 × 358,013.67
  4. Step 4: Simplify right side
    659,819.67x = 325,989,533,385.61
  5. Step 5: Solve for x
    x = 325,989,533,385.61/659,819.67
  6. Step 6: Final answer
    x = 494,058.53

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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.