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Finding the Fourth Proportional to 260,571.52, 390,924.65 and 152,592.07

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Solution

The fourth proportional to 260,571.52, 390,924.65 and 152,592.07 is: 228,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,571.52 : 390,924.65 = 152,592.07 : x
  2. Step 2: Convert to fraction form
    260,571.52/390,924.65 = 152,592.07/x
  3. Step 3: Cross multiply
    260,571.52x = 390,924.65 × 152,592.07
  4. Step 4: Simplify right side
    260,571.52x = 59,652,001,557.53
  5. Step 5: Solve for x
    x = 59,652,001,557.53/260,571.52
  6. Step 6: Final answer
    x = 228,927.56

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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.