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Finding the Fourth Proportional to 688,702.10, 950,596.56 and 446,970.56

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Solution

The fourth proportional to 688,702.10, 950,596.56 and 446,970.56 is: 616,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,702.10 : 950,596.56 = 446,970.56 : x
  2. Step 2: Convert to fraction form
    688,702.10/950,596.56 = 446,970.56/x
  3. Step 3: Cross multiply
    688,702.10x = 950,596.56 × 446,970.56
  4. Step 4: Simplify right side
    688,702.10x = 424,888,672,004.29
  5. Step 5: Solve for x
    x = 424,888,672,004.29/688,702.10
  6. Step 6: Final answer
    x = 616,941.16

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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.