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Finding the Fourth Proportional to 688,903.19, 950,702.22 and 382,967.81

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Solution

The fourth proportional to 688,903.19, 950,702.22 and 382,967.81 is: 528,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,903.19 : 950,702.22 = 382,967.81 : x
  2. Step 2: Convert to fraction form
    688,903.19/950,702.22 = 382,967.81/x
  3. Step 3: Cross multiply
    688,903.19x = 950,702.22 × 382,967.81
  4. Step 4: Simplify right side
    688,903.19x = 364,088,342,402.03
  5. Step 5: Solve for x
    x = 364,088,342,402.03/688,903.19
  6. Step 6: Final answer
    x = 528,504.37

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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.