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Finding the Fourth Proportional to 609,824.55, 915,574.71 and 310,506.26

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Solution

The fourth proportional to 609,824.55, 915,574.71 and 310,506.26 is: 466,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,824.55 : 915,574.71 = 310,506.26 : x
  2. Step 2: Convert to fraction form
    609,824.55/915,574.71 = 310,506.26/x
  3. Step 3: Cross multiply
    609,824.55x = 915,574.71 × 310,506.26
  4. Step 4: Simplify right side
    609,824.55x = 284,291,674,374.81
  5. Step 5: Solve for x
    x = 284,291,674,374.81/609,824.55
  6. Step 6: Final answer
    x = 466,186.01

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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.