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Finding the Fourth Proportional to 555,875.38, 767,108.64 and 301,227.04

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Solution

The fourth proportional to 555,875.38, 767,108.64 and 301,227.04 is: 415,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,875.38 : 767,108.64 = 301,227.04 : x
  2. Step 2: Convert to fraction form
    555,875.38/767,108.64 = 301,227.04/x
  3. Step 3: Cross multiply
    555,875.38x = 767,108.64 × 301,227.04
  4. Step 4: Simplify right side
    555,875.38x = 231,073,864,985.63
  5. Step 5: Solve for x
    x = 231,073,864,985.63/555,875.38
  6. Step 6: Final answer
    x = 415,693.65

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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.