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Finding the Fourth Proportional to 346,462.04, 478,119.22 and 187,486.04

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Solution

The fourth proportional to 346,462.04, 478,119.22 and 187,486.04 is: 258,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462.04 : 478,119.22 = 187,486.04 : x
  2. Step 2: Convert to fraction form
    346,462.04/478,119.22 = 187,486.04/x
  3. Step 3: Cross multiply
    346,462.04x = 478,119.22 × 187,486.04
  4. Step 4: Simplify right side
    346,462.04x = 89,640,679,205.69
  5. Step 5: Solve for x
    x = 89,640,679,205.69/346,462.04
  6. Step 6: Final answer
    x = 258,731.60

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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.