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Finding the Fourth Proportional to 575,064.47, 862,596.60 and 154,340.35

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Solution

The fourth proportional to 575,064.47, 862,596.60 and 154,340.35 is: 231,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,064.47 : 862,596.60 = 154,340.35 : x
  2. Step 2: Convert to fraction form
    575,064.47/862,596.60 = 154,340.35/x
  3. Step 3: Cross multiply
    575,064.47x = 862,596.60 × 154,340.35
  4. Step 4: Simplify right side
    575,064.47x = 133,133,459,739.09
  5. Step 5: Solve for x
    x = 133,133,459,739.09/575,064.47
  6. Step 6: Final answer
    x = 231,510.49

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Similar ratio
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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.