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Finding the Fourth Proportional to 374,424.80, 561,637.20 and 232,707.20

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Solution

The fourth proportional to 374,424.80, 561,637.20 and 232,707.20 is: 349,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,424.80 : 561,637.20 = 232,707.20 : x
  2. Step 2: Convert to fraction form
    374,424.80/561,637.20 = 232,707.20/x
  3. Step 3: Cross multiply
    374,424.80x = 561,637.20 × 232,707.20
  4. Step 4: Simplify right side
    374,424.80x = 130,697,020,227.84
  5. Step 5: Solve for x
    x = 130,697,020,227.84/374,424.80
  6. Step 6: Final answer
    x = 349,060.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.