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Finding the Fourth Proportional to 617,425.48, 851,776.68 and 362,661.76

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Solution

The fourth proportional to 617,425.48, 851,776.68 and 362,661.76 is: 500,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,425.48 : 851,776.68 = 362,661.76 : x
  2. Step 2: Convert to fraction form
    617,425.48/851,776.68 = 362,661.76/x
  3. Step 3: Cross multiply
    617,425.48x = 851,776.68 × 362,661.76
  4. Step 4: Simplify right side
    617,425.48x = 308,906,829,895.76
  5. Step 5: Solve for x
    x = 308,906,829,895.76/617,425.48
  6. Step 6: Final answer
    x = 500,314.35

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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.