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Finding the Fourth Proportional to 657,330.66, 983,401.70 and 497,865.96

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Solution

The fourth proportional to 657,330.66, 983,401.70 and 497,865.96 is: 744,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,330.66 : 983,401.70 = 497,865.96 : x
  2. Step 2: Convert to fraction form
    657,330.66/983,401.70 = 497,865.96/x
  3. Step 3: Cross multiply
    657,330.66x = 983,401.70 × 497,865.96
  4. Step 4: Simplify right side
    657,330.66x = 489,602,228,946.80
  5. Step 5: Solve for x
    x = 489,602,228,946.80/657,330.66
  6. Step 6: Final answer
    x = 744,834.01

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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.