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Finding the Fourth Proportional to 646,937.60, 970,406.40 and 590,950.40

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Solution

The fourth proportional to 646,937.60, 970,406.40 and 590,950.40 is: 886,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,937.60 : 970,406.40 = 590,950.40 : x
  2. Step 2: Convert to fraction form
    646,937.60/970,406.40 = 590,950.40/x
  3. Step 3: Cross multiply
    646,937.60x = 970,406.40 × 590,950.40
  4. Step 4: Simplify right side
    646,937.60x = 573,462,050,242.56
  5. Step 5: Solve for x
    x = 573,462,050,242.56/646,937.60
  6. Step 6: Final answer
    x = 886,425.60

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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.