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Finding the Fourth Proportional to 624,172.61, 861,953.09 and 590,168.20

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Solution

The fourth proportional to 624,172.61, 861,953.09 and 590,168.20 is: 814,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,172.61 : 861,953.09 = 590,168.20 : x
  2. Step 2: Convert to fraction form
    624,172.61/861,953.09 = 590,168.20/x
  3. Step 3: Cross multiply
    624,172.61x = 861,953.09 × 590,168.20
  4. Step 4: Simplify right side
    624,172.61x = 508,697,303,609.74
  5. Step 5: Solve for x
    x = 508,697,303,609.74/624,172.61
  6. Step 6: Final answer
    x = 814,994.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.