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Finding the Fourth Proportional to 634,775.03, 876,004.83 and 348,294.89

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Solution

The fourth proportional to 634,775.03, 876,004.83 and 348,294.89 is: 480,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,775.03 : 876,004.83 = 348,294.89 : x
  2. Step 2: Convert to fraction form
    634,775.03/876,004.83 = 348,294.89/x
  3. Step 3: Cross multiply
    634,775.03x = 876,004.83 × 348,294.89
  4. Step 4: Simplify right side
    634,775.03x = 305,108,005,904.32
  5. Step 5: Solve for x
    x = 305,108,005,904.32/634,775.03
  6. Step 6: Final answer
    x = 480,655.34

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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.