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Finding the Fourth Proportional to 620,948.70, 931,242.75 and 241,784.70

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Solution

The fourth proportional to 620,948.70, 931,242.75 and 241,784.70 is: 362,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,948.70 : 931,242.75 = 241,784.70 : x
  2. Step 2: Convert to fraction form
    620,948.70/931,242.75 = 241,784.70/x
  3. Step 3: Cross multiply
    620,948.70x = 931,242.75 × 241,784.70
  4. Step 4: Simplify right side
    620,948.70x = 225,160,248,935.93
  5. Step 5: Solve for x
    x = 225,160,248,935.93/620,948.70
  6. Step 6: Final answer
    x = 362,606.84

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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.