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Finding the Fourth Proportional to 586,005.80, 877,626.30 and 397,999.40

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Solution

The fourth proportional to 586,005.80, 877,626.30 and 397,999.40 is: 596,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,005.80 : 877,626.30 = 397,999.40 : x
  2. Step 2: Convert to fraction form
    586,005.80/877,626.30 = 397,999.40/x
  3. Step 3: Cross multiply
    586,005.80x = 877,626.30 × 397,999.40
  4. Step 4: Simplify right side
    586,005.80x = 349,294,740,824.22
  5. Step 5: Solve for x
    x = 349,294,740,824.22/586,005.80
  6. Step 6: Final answer
    x = 596,060.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.