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Finding the Fourth Proportional to 531,476.66, 732,986.54 and 449,094.26

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Solution

The fourth proportional to 531,476.66, 732,986.54 and 449,094.26 is: 619,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,476.66 : 732,986.54 = 449,094.26 : x
  2. Step 2: Convert to fraction form
    531,476.66/732,986.54 = 449,094.26/x
  3. Step 3: Cross multiply
    531,476.66x = 732,986.54 × 449,094.26
  4. Step 4: Simplify right side
    531,476.66x = 329,180,047,771.26
  5. Step 5: Solve for x
    x = 329,180,047,771.26/531,476.66
  6. Step 6: Final answer
    x = 619,368.77

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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.