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Finding the Fourth Proportional to 492,061.70, 736,780.35 and 492,061.70

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Solution

The fourth proportional to 492,061.70, 736,780.35 and 492,061.70 is: 736,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,061.70 : 736,780.35 = 492,061.70 : x
  2. Step 2: Convert to fraction form
    492,061.70/736,780.35 = 492,061.70/x
  3. Step 3: Cross multiply
    492,061.70x = 736,780.35 × 492,061.70
  4. Step 4: Simplify right side
    492,061.70x = 362,541,391,547.60
  5. Step 5: Solve for x
    x = 362,541,391,547.60/492,061.70
  6. Step 6: Final answer
    x = 736,780.35

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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.