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Finding the Fourth Proportional to 645,897.62, 968,851.28 and 246,431.00

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Solution

The fourth proportional to 645,897.62, 968,851.28 and 246,431.00 is: 369,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,897.62 : 968,851.28 = 246,431.00 : x
  2. Step 2: Convert to fraction form
    645,897.62/968,851.28 = 246,431.00/x
  3. Step 3: Cross multiply
    645,897.62x = 968,851.28 × 246,431.00
  4. Step 4: Simplify right side
    645,897.62x = 238,754,985,553.50
  5. Step 5: Solve for x
    x = 238,754,985,553.50/645,897.62
  6. Step 6: Final answer
    x = 369,648.35

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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.