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Finding the Fourth Proportional to 506,784,466.64, 699,364,482.76 and 274,997,458.64

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Solution

The fourth proportional to 506,784,466.64, 699,364,482.76 and 274,997,458.64 is: 379,497,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,784,466.64 : 699,364,482.76 = 274,997,458.64 : x
  2. Step 2: Convert to fraction form
    506,784,466.64/699,364,482.76 = 274,997,458.64/x
  3. Step 3: Cross multiply
    506,784,466.64x = 699,364,482.76 × 274,997,458.64
  4. Step 4: Simplify right side
    506,784,466.64x = 192,323,455,422,078,080
  5. Step 5: Solve for x
    x = 192,323,455,422,078,080/506,784,466.64
  6. Step 6: Final answer
    x = 379,497,534.12

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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.