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Finding the Fourth Proportional to 445,686.57, 615,045.60 and 241,736.67

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Solution

The fourth proportional to 445,686.57, 615,045.60 and 241,736.67 is: 333,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,686.57 : 615,045.60 = 241,736.67 : x
  2. Step 2: Convert to fraction form
    445,686.57/615,045.60 = 241,736.67/x
  3. Step 3: Cross multiply
    445,686.57x = 615,045.60 × 241,736.67
  4. Step 4: Simplify right side
    445,686.57x = 148,679,075,242.15
  5. Step 5: Solve for x
    x = 148,679,075,242.15/445,686.57
  6. Step 6: Final answer
    x = 333,595.59

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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.