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Finding the Fourth Proportional to 492,069.90, 736,938.45 and 492,069.90

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Solution

The fourth proportional to 492,069.90, 736,938.45 and 492,069.90 is: 736,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,069.90 : 736,938.45 = 492,069.90 : x
  2. Step 2: Convert to fraction form
    492,069.90/736,938.45 = 492,069.90/x
  3. Step 3: Cross multiply
    492,069.90x = 736,938.45 × 492,069.90
  4. Step 4: Simplify right side
    492,069.90x = 362,625,229,397.66
  5. Step 5: Solve for x
    x = 362,625,229,397.66/492,069.90
  6. Step 6: Final answer
    x = 736,938.45

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1.5x scale

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.