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Finding the Fourth Proportional to 634,503.53, 875,610.09 and 348,021.59

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Solution

The fourth proportional to 634,503.53, 875,610.09 and 348,021.59 is: 480,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,503.53 : 875,610.09 = 348,021.59 : x
  2. Step 2: Convert to fraction form
    634,503.53/875,610.09 = 348,021.59/x
  3. Step 3: Cross multiply
    634,503.53x = 875,610.09 × 348,021.59
  4. Step 4: Simplify right side
    634,503.53x = 304,731,211,363.79
  5. Step 5: Solve for x
    x = 304,731,211,363.79/634,503.53
  6. Step 6: Final answer
    x = 480,267.16

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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.