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Finding the Fourth Proportional to 585,017, 877,525.50 and 141,785

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Solution

The fourth proportional to 585,017, 877,525.50 and 141,785 is: 212,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,017 : 877,525.50 = 141,785 : x
  2. Step 2: Convert to fraction form
    585,017/877,525.50 = 141,785/x
  3. Step 3: Cross multiply
    585,017x = 877,525.50 × 141,785
  4. Step 4: Simplify right side
    585,017x = 124,419,953,017.50
  5. Step 5: Solve for x
    x = 124,419,953,017.50/585,017
  6. Step 6: Final answer
    x = 212,677.50

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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.