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Finding the Fourth Proportional to 488,510.07, 674,136.48 and 273,657.81

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Solution

The fourth proportional to 488,510.07, 674,136.48 and 273,657.81 is: 377,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,510.07 : 674,136.48 = 273,657.81 : x
  2. Step 2: Convert to fraction form
    488,510.07/674,136.48 = 273,657.81/x
  3. Step 3: Cross multiply
    488,510.07x = 674,136.48 × 273,657.81
  4. Step 4: Simplify right side
    488,510.07x = 184,482,712,757.91
  5. Step 5: Solve for x
    x = 184,482,712,757.91/488,510.07
  6. Step 6: Final answer
    x = 377,643.62

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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.