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Finding the Fourth Proportional to 711,283.68, 982,530 and 569,060.64

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Solution

The fourth proportional to 711,283.68, 982,530 and 569,060.64 is: 786,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,283.68 : 982,530 = 569,060.64 : x
  2. Step 2: Convert to fraction form
    711,283.68/982,530 = 569,060.64/x
  3. Step 3: Cross multiply
    711,283.68x = 982,530 × 569,060.64
  4. Step 4: Simplify right side
    711,283.68x = 559,119,150,619.20
  5. Step 5: Solve for x
    x = 559,119,150,619.20/711,283.68
  6. Step 6: Final answer
    x = 786,070.55

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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.