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Finding the Fourth Proportional to 710,478, 1,066,241.88 and 336,501

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Solution

The fourth proportional to 710,478, 1,066,241.88 and 336,501 is: 505,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,478 : 1,066,241.88 = 336,501 : x
  2. Step 2: Convert to fraction form
    710,478/1,066,241.88 = 336,501/x
  3. Step 3: Cross multiply
    710,478x = 1,066,241.88 × 336,501
  4. Step 4: Simplify right side
    710,478x = 358,791,458,861.88
  5. Step 5: Solve for x
    x = 358,791,458,861.88/710,478
  6. Step 6: Final answer
    x = 505,000.10

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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.