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Finding the Fourth Proportional to 611,596.40, 917,323.26 and 162,352.17

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Solution

The fourth proportional to 611,596.40, 917,323.26 and 162,352.17 is: 243,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,596.40 : 917,323.26 = 162,352.17 : x
  2. Step 2: Convert to fraction form
    611,596.40/917,323.26 = 162,352.17/x
  3. Step 3: Cross multiply
    611,596.40x = 917,323.26 × 162,352.17
  4. Step 4: Simplify right side
    611,596.40x = 148,929,421,852.47
  5. Step 5: Solve for x
    x = 148,929,421,852.47/611,596.40
  6. Step 6: Final answer
    x = 243,509.32

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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.