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Finding the Fourth Proportional to 405,444.15, 608,469.17 and 152,973.63

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Solution

The fourth proportional to 405,444.15, 608,469.17 and 152,973.63 is: 229,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,444.15 : 608,469.17 = 152,973.63 : x
  2. Step 2: Convert to fraction form
    405,444.15/608,469.17 = 152,973.63/x
  3. Step 3: Cross multiply
    405,444.15x = 608,469.17 × 152,973.63
  4. Step 4: Simplify right side
    405,444.15x = 93,079,736,913.12
  5. Step 5: Solve for x
    x = 93,079,736,913.12/405,444.15
  6. Step 6: Final answer
    x = 229,574.74

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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.