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Finding the Fourth Proportional to 708,242.24, 971,875.84 and 644,090.24

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Solution

The fourth proportional to 708,242.24, 971,875.84 and 644,090.24 is: 883,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,242.24 : 971,875.84 = 644,090.24 : x
  2. Step 2: Convert to fraction form
    708,242.24/971,875.84 = 644,090.24/x
  3. Step 3: Cross multiply
    708,242.24x = 971,875.84 × 644,090.24
  4. Step 4: Simplify right side
    708,242.24x = 625,975,743,035.80
  5. Step 5: Solve for x
    x = 625,975,743,035.80/708,242.24
  6. Step 6: Final answer
    x = 883,844.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.