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Finding the Fourth Proportional to 516,349.59, 774,827.52 and 216,807.13

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Solution

The fourth proportional to 516,349.59, 774,827.52 and 216,807.13 is: 325,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,349.59 : 774,827.52 = 216,807.13 : x
  2. Step 2: Convert to fraction form
    516,349.59/774,827.52 = 216,807.13/x
  3. Step 3: Cross multiply
    516,349.59x = 774,827.52 × 216,807.13
  4. Step 4: Simplify right side
    516,349.59x = 167,988,132,231.27
  5. Step 5: Solve for x
    x = 167,988,132,231.27/516,349.59
  6. Step 6: Final answer
    x = 325,337.98

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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.