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Finding the Fourth Proportional to 730,728.40, 1,094,537.40 and 606,312.40

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Solution

The fourth proportional to 730,728.40, 1,094,537.40 and 606,312.40 is: 908,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,728.40 : 1,094,537.40 = 606,312.40 : x
  2. Step 2: Convert to fraction form
    730,728.40/1,094,537.40 = 606,312.40/x
  3. Step 3: Cross multiply
    730,728.40x = 1,094,537.40 × 606,312.40
  4. Step 4: Simplify right side
    730,728.40x = 663,631,597,883.76
  5. Step 5: Solve for x
    x = 663,631,597,883.76/730,728.40
  6. Step 6: Final answer
    x = 908,178.19

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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.