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Finding the Fourth Proportional to 616,259.61, 850,675.23 and 551,614.59

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Solution

The fourth proportional to 616,259.61, 850,675.23 and 551,614.59 is: 761,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,259.61 : 850,675.23 = 551,614.59 : x
  2. Step 2: Convert to fraction form
    616,259.61/850,675.23 = 551,614.59/x
  3. Step 3: Cross multiply
    616,259.61x = 850,675.23 × 551,614.59
  4. Step 4: Simplify right side
    616,259.61x = 469,244,868,219.61
  5. Step 5: Solve for x
    x = 469,244,868,219.61/616,259.61
  6. Step 6: Final answer
    x = 761,440.24

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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.