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Finding the Fourth Proportional to 346,692.48, 478,401.60 and 195,760.32

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Solution

The fourth proportional to 346,692.48, 478,401.60 and 195,760.32 is: 270,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,692.48 : 478,401.60 = 195,760.32 : x
  2. Step 2: Convert to fraction form
    346,692.48/478,401.60 = 195,760.32/x
  3. Step 3: Cross multiply
    346,692.48x = 478,401.60 × 195,760.32
  4. Step 4: Simplify right side
    346,692.48x = 93,652,050,304.51
  5. Step 5: Solve for x
    x = 93,652,050,304.51/346,692.48
  6. Step 6: Final answer
    x = 270,130.03

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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.