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Finding the Fourth Proportional to 637,335.66, 877,626.30 and 623,191.26

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Solution

The fourth proportional to 637,335.66, 877,626.30 and 623,191.26 is: 858,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,335.66 : 877,626.30 = 623,191.26 : x
  2. Step 2: Convert to fraction form
    637,335.66/877,626.30 = 623,191.26/x
  3. Step 3: Cross multiply
    637,335.66x = 877,626.30 × 623,191.26
  4. Step 4: Simplify right side
    637,335.66x = 546,929,039,706.14
  5. Step 5: Solve for x
    x = 546,929,039,706.14/637,335.66
  6. Step 6: Final answer
    x = 858,149.13

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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.