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Finding the Fourth Proportional to 489,088.10, 733,632.15 and 471,373.40

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Solution

The fourth proportional to 489,088.10, 733,632.15 and 471,373.40 is: 707,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,088.10 : 733,632.15 = 471,373.40 : x
  2. Step 2: Convert to fraction form
    489,088.10/733,632.15 = 471,373.40/x
  3. Step 3: Cross multiply
    489,088.10x = 733,632.15 × 471,373.40
  4. Step 4: Simplify right side
    489,088.10x = 345,814,680,894.81
  5. Step 5: Solve for x
    x = 345,814,680,894.81/489,088.10
  6. Step 6: Final answer
    x = 707,060.10

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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.