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Finding the Fourth Proportional to 473,283.64, 709,925.47 and 140,859.64

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Solution

The fourth proportional to 473,283.64, 709,925.47 and 140,859.64 is: 211,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,283.64 : 709,925.47 = 140,859.64 : x
  2. Step 2: Convert to fraction form
    473,283.64/709,925.47 = 140,859.64/x
  3. Step 3: Cross multiply
    473,283.64x = 709,925.47 × 140,859.64
  4. Step 4: Simplify right side
    473,283.64x = 99,999,845,426.73
  5. Step 5: Solve for x
    x = 99,999,845,426.73/473,283.64
  6. Step 6: Final answer
    x = 211,289.46

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Similar ratio
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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.