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Finding the Fourth Proportional to 612,216.51, 918,334.01 and 233,158.24

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Solution

The fourth proportional to 612,216.51, 918,334.01 and 233,158.24 is: 349,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,216.51 : 918,334.01 = 233,158.24 : x
  2. Step 2: Convert to fraction form
    612,216.51/918,334.01 = 233,158.24/x
  3. Step 3: Cross multiply
    612,216.51x = 918,334.01 × 233,158.24
  4. Step 4: Simplify right side
    612,216.51x = 214,117,141,503.74
  5. Step 5: Solve for x
    x = 214,117,141,503.74/612,216.51
  6. Step 6: Final answer
    x = 349,740.88

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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.