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Finding the Fourth Proportional to 648,624.88, 968,678.84 and 552,834.40

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Solution

The fourth proportional to 648,624.88, 968,678.84 and 552,834.40 is: 825,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,624.88 : 968,678.84 = 552,834.40 : x
  2. Step 2: Convert to fraction form
    648,624.88/968,678.84 = 552,834.40/x
  3. Step 3: Cross multiply
    648,624.88x = 968,678.84 × 552,834.40
  4. Step 4: Simplify right side
    648,624.88x = 535,518,985,304.10
  5. Step 5: Solve for x
    x = 535,518,985,304.10/648,624.88
  6. Step 6: Final answer
    x = 825,622.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.