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Finding the Fourth Proportional to 313,566.65, 432,730.02 and 170,334.89

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Solution

The fourth proportional to 313,566.65, 432,730.02 and 170,334.89 is: 235,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,566.65 : 432,730.02 = 170,334.89 : x
  2. Step 2: Convert to fraction form
    313,566.65/432,730.02 = 170,334.89/x
  3. Step 3: Cross multiply
    313,566.65x = 432,730.02 × 170,334.89
  4. Step 4: Simplify right side
    313,566.65x = 73,709,020,356.40
  5. Step 5: Solve for x
    x = 73,709,020,356.40/313,566.65
  6. Step 6: Final answer
    x = 235,066.52

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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.