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Finding the Fourth Proportional to 461,776.73, 637,245.63 and 257,830.76

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Solution

The fourth proportional to 461,776.73, 637,245.63 and 257,830.76 is: 355,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,776.73 : 637,245.63 = 257,830.76 : x
  2. Step 2: Convert to fraction form
    461,776.73/637,245.63 = 257,830.76/x
  3. Step 3: Cross multiply
    461,776.73x = 637,245.63 × 257,830.76
  4. Step 4: Simplify right side
    461,776.73x = 164,301,525,089.58
  5. Step 5: Solve for x
    x = 164,301,525,089.58/461,776.73
  6. Step 6: Final answer
    x = 355,802.96

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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.