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Finding the Fourth Proportional to 697,762.80, 1,044,019.80 and 461,566.80

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Solution

The fourth proportional to 697,762.80, 1,044,019.80 and 461,566.80 is: 690,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,762.80 : 1,044,019.80 = 461,566.80 : x
  2. Step 2: Convert to fraction form
    697,762.80/1,044,019.80 = 461,566.80/x
  3. Step 3: Cross multiply
    697,762.80x = 1,044,019.80 × 461,566.80
  4. Step 4: Simplify right side
    697,762.80x = 481,884,878,222.64
  5. Step 5: Solve for x
    x = 481,884,878,222.64/697,762.80
  6. Step 6: Final answer
    x = 690,614.17

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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.