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Finding the Fourth Proportional to 350,535.40, 525,803.10 and 113,885.80

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Solution

The fourth proportional to 350,535.40, 525,803.10 and 113,885.80 is: 170,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,535.40 : 525,803.10 = 113,885.80 : x
  2. Step 2: Convert to fraction form
    350,535.40/525,803.10 = 113,885.80/x
  3. Step 3: Cross multiply
    350,535.40x = 525,803.10 × 113,885.80
  4. Step 4: Simplify right side
    350,535.40x = 59,881,506,685.98
  5. Step 5: Solve for x
    x = 59,881,506,685.98/350,535.40
  6. Step 6: Final answer
    x = 170,828.70

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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.