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Finding the Fourth Proportional to 634,482.30, 875,617.65 and 348,029.04

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Solution

The fourth proportional to 634,482.30, 875,617.65 and 348,029.04 is: 480,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,482.30 : 875,617.65 = 348,029.04 : x
  2. Step 2: Convert to fraction form
    634,482.30/875,617.65 = 348,029.04/x
  3. Step 3: Cross multiply
    634,482.30x = 875,617.65 × 348,029.04
  4. Step 4: Simplify right side
    634,482.30x = 304,740,370,136.56
  5. Step 5: Solve for x
    x = 304,740,370,136.56/634,482.30
  6. Step 6: Final answer
    x = 480,297.67

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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.