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Finding the Fourth Proportional to 877,461.82, 1,316,279.13 and 365,021.80

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Solution

The fourth proportional to 877,461.82, 1,316,279.13 and 365,021.80 is: 547,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,461.82 : 1,316,279.13 = 365,021.80 : x
  2. Step 2: Convert to fraction form
    877,461.82/1,316,279.13 = 365,021.80/x
  3. Step 3: Cross multiply
    877,461.82x = 1,316,279.13 × 365,021.80
  4. Step 4: Simplify right side
    877,461.82x = 480,470,577,335.03
  5. Step 5: Solve for x
    x = 480,470,577,335.03/877,461.82
  6. Step 6: Final answer
    x = 547,568.64

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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.