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Finding the Fourth Proportional to 637,897.20, 958,271.40 and 532,921.20

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Solution

The fourth proportional to 637,897.20, 958,271.40 and 532,921.20 is: 800,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,897.20 : 958,271.40 = 532,921.20 : x
  2. Step 2: Convert to fraction form
    637,897.20/958,271.40 = 532,921.20/x
  3. Step 3: Cross multiply
    637,897.20x = 958,271.40 × 532,921.20
  4. Step 4: Simplify right side
    637,897.20x = 510,683,144,413.68
  5. Step 5: Solve for x
    x = 510,683,144,413.68/637,897.20
  6. Step 6: Final answer
    x = 800,572.80

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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.