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Finding the Fourth Proportional to 560,937.64, 774,094.90 and 306,283.40

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Solution

The fourth proportional to 560,937.64, 774,094.90 and 306,283.40 is: 422,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,937.64 : 774,094.90 = 306,283.40 : x
  2. Step 2: Convert to fraction form
    560,937.64/774,094.90 = 306,283.40/x
  3. Step 3: Cross multiply
    560,937.64x = 774,094.90 × 306,283.40
  4. Step 4: Simplify right side
    560,937.64x = 237,092,417,894.66
  5. Step 5: Solve for x
    x = 237,092,417,894.66/560,937.64
  6. Step 6: Final answer
    x = 422,671.61

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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.