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Finding the Fourth Proportional to 611,762.40, 917,643.60 and 585,846.45

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Solution

The fourth proportional to 611,762.40, 917,643.60 and 585,846.45 is: 878,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,762.40 : 917,643.60 = 585,846.45 : x
  2. Step 2: Convert to fraction form
    611,762.40/917,643.60 = 585,846.45/x
  3. Step 3: Cross multiply
    611,762.40x = 917,643.60 × 585,846.45
  4. Step 4: Simplify right side
    611,762.40x = 537,598,245,425.22
  5. Step 5: Solve for x
    x = 537,598,245,425.22/611,762.40
  6. Step 6: Final answer
    x = 878,769.68

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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.