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Finding the Fourth Proportional to 540,717.16, 745,941.66 and 349,792.12

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Solution

The fourth proportional to 540,717.16, 745,941.66 and 349,792.12 is: 482,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,717.16 : 745,941.66 = 349,792.12 : x
  2. Step 2: Convert to fraction form
    540,717.16/745,941.66 = 349,792.12/x
  3. Step 3: Cross multiply
    540,717.16x = 745,941.66 × 349,792.12
  4. Step 4: Simplify right side
    540,717.16x = 260,924,514,647.72
  5. Step 5: Solve for x
    x = 260,924,514,647.72/540,717.16
  6. Step 6: Final answer
    x = 482,552.68

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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.