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Finding the Fourth Proportional to 313,762.30, 432,995.33 and 170,522.35

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Solution

The fourth proportional to 313,762.30, 432,995.33 and 170,522.35 is: 235,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,762.30 : 432,995.33 = 170,522.35 : x
  2. Step 2: Convert to fraction form
    313,762.30/432,995.33 = 170,522.35/x
  3. Step 3: Cross multiply
    313,762.30x = 432,995.33 × 170,522.35
  4. Step 4: Simplify right side
    313,762.30x = 73,835,381,210.63
  5. Step 5: Solve for x
    x = 73,835,381,210.63/313,762.30
  6. Step 6: Final answer
    x = 235,322.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.