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Finding the Fourth Proportional to 288,817.92, 432,637.20 and 170,130.24

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Solution

The fourth proportional to 288,817.92, 432,637.20 and 170,130.24 is: 254,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,817.92 : 432,637.20 = 170,130.24 : x
  2. Step 2: Convert to fraction form
    288,817.92/432,637.20 = 170,130.24/x
  3. Step 3: Cross multiply
    288,817.92x = 432,637.20 × 170,130.24
  4. Step 4: Simplify right side
    288,817.92x = 73,604,670,668.93
  5. Step 5: Solve for x
    x = 73,604,670,668.93/288,817.92
  6. Step 6: Final answer
    x = 254,848.00

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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.