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Finding the Fourth Proportional to 965,888.70, 1,447,666.65 and 492,330.30

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Solution

The fourth proportional to 965,888.70, 1,447,666.65 and 492,330.30 is: 737,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,888.70 : 1,447,666.65 = 492,330.30 : x
  2. Step 2: Convert to fraction form
    965,888.70/1,447,666.65 = 492,330.30/x
  3. Step 3: Cross multiply
    965,888.70x = 1,447,666.65 × 492,330.30
  4. Step 4: Simplify right side
    965,888.70x = 712,730,156,094.50
  5. Step 5: Solve for x
    x = 712,730,156,094.50/965,888.70
  6. Step 6: Final answer
    x = 737,900.92

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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.