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Finding the Fourth Proportional to 374,957.17, 562,518.38 and 108,728.80

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Solution

The fourth proportional to 374,957.17, 562,518.38 and 108,728.80 is: 163,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,957.17 : 562,518.38 = 108,728.80 : x
  2. Step 2: Convert to fraction form
    374,957.17/562,518.38 = 108,728.80/x
  3. Step 3: Cross multiply
    374,957.17x = 562,518.38 × 108,728.80
  4. Step 4: Simplify right side
    374,957.17x = 61,161,948,435.34
  5. Step 5: Solve for x
    x = 61,161,948,435.34/374,957.17
  6. Step 6: Final answer
    x = 163,117.16

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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.