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Finding the Fourth Proportional to 585,037.70, 877,556.55 and 545,671.70

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Solution

The fourth proportional to 585,037.70, 877,556.55 and 545,671.70 is: 818,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,037.70 : 877,556.55 = 545,671.70 : x
  2. Step 2: Convert to fraction form
    585,037.70/877,556.55 = 545,671.70/x
  3. Step 3: Cross multiply
    585,037.70x = 877,556.55 × 545,671.70
  4. Step 4: Simplify right side
    585,037.70x = 478,857,774,484.64
  5. Step 5: Solve for x
    x = 478,857,774,484.64/585,037.70
  6. Step 6: Final answer
    x = 818,507.55

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Similar ratio
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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.