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Finding the Fourth Proportional to 974,751.80, 1,462,127.70 and 343,729.40

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Solution

The fourth proportional to 974,751.80, 1,462,127.70 and 343,729.40 is: 515,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,751.80 : 1,462,127.70 = 343,729.40 : x
  2. Step 2: Convert to fraction form
    974,751.80/1,462,127.70 = 343,729.40/x
  3. Step 3: Cross multiply
    974,751.80x = 1,462,127.70 × 343,729.40
  4. Step 4: Simplify right side
    974,751.80x = 502,576,277,044.38
  5. Step 5: Solve for x
    x = 502,576,277,044.38/974,751.80
  6. Step 6: Final answer
    x = 515,594.10

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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.