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Finding the Fourth Proportional to 585,055, 877,582.50 and 141,823

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Solution

The fourth proportional to 585,055, 877,582.50 and 141,823 is: 212,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,055 : 877,582.50 = 141,823 : x
  2. Step 2: Convert to fraction form
    585,055/877,582.50 = 141,823/x
  3. Step 3: Cross multiply
    585,055x = 877,582.50 × 141,823
  4. Step 4: Simplify right side
    585,055x = 124,461,382,897.50
  5. Step 5: Solve for x
    x = 124,461,382,897.50/585,055
  6. Step 6: Final answer
    x = 212,734.50

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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.