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Finding the Fourth Proportional to 737,430.66, 1,017,674 and 415,152.98

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Solution

The fourth proportional to 737,430.66, 1,017,674 and 415,152.98 is: 572,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,430.66 : 1,017,674 = 415,152.98 : x
  2. Step 2: Convert to fraction form
    737,430.66/1,017,674 = 415,152.98/x
  3. Step 3: Cross multiply
    737,430.66x = 1,017,674 × 415,152.98
  4. Step 4: Simplify right side
    737,430.66x = 422,490,393,768.52
  5. Step 5: Solve for x
    x = 422,490,393,768.52/737,430.66
  6. Step 6: Final answer
    x = 572,922.20

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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.