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Finding the Fourth Proportional to 692,532.50, 955,710.96 and 434,420.34

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Solution

The fourth proportional to 692,532.50, 955,710.96 and 434,420.34 is: 599,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,532.50 : 955,710.96 = 434,420.34 : x
  2. Step 2: Convert to fraction form
    692,532.50/955,710.96 = 434,420.34/x
  3. Step 3: Cross multiply
    692,532.50x = 955,710.96 × 434,420.34
  4. Step 4: Simplify right side
    692,532.50x = 415,180,280,184.93
  5. Step 5: Solve for x
    x = 415,180,280,184.93/692,532.50
  6. Step 6: Final answer
    x = 599,510.17

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1.5x scale

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.