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Finding the Fourth Proportional to 615,445.05, 923,075.22 and 194,666.25

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Solution

The fourth proportional to 615,445.05, 923,075.22 and 194,666.25 is: 291,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,445.05 : 923,075.22 = 194,666.25 : x
  2. Step 2: Convert to fraction form
    615,445.05/923,075.22 = 194,666.25/x
  3. Step 3: Cross multiply
    615,445.05x = 923,075.22 × 194,666.25
  4. Step 4: Simplify right side
    615,445.05x = 179,691,591,545.33
  5. Step 5: Solve for x
    x = 179,691,591,545.33/615,445.05
  6. Step 6: Final answer
    x = 291,970.16

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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.