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Finding the Fourth Proportional to 540,102.25, 745,341.11 and 313,762.33

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Solution

The fourth proportional to 540,102.25, 745,341.11 and 313,762.33 is: 432,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,102.25 : 745,341.11 = 313,762.33 : x
  2. Step 2: Convert to fraction form
    540,102.25/745,341.11 = 313,762.33/x
  3. Step 3: Cross multiply
    540,102.25x = 745,341.11 × 313,762.33
  4. Step 4: Simplify right side
    540,102.25x = 233,859,963,318.39
  5. Step 5: Solve for x
    x = 233,859,963,318.39/540,102.25
  6. Step 6: Final answer
    x = 432,992.02

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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.