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Finding the Fourth Proportional to 586,888.32, 880,659.57 and 317,011.02

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Solution

The fourth proportional to 586,888.32, 880,659.57 and 317,011.02 is: 475,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,888.32 : 880,659.57 = 317,011.02 : x
  2. Step 2: Convert to fraction form
    586,888.32/880,659.57 = 317,011.02/x
  3. Step 3: Cross multiply
    586,888.32x = 880,659.57 × 317,011.02
  4. Step 4: Simplify right side
    586,888.32x = 279,178,788,558.46
  5. Step 5: Solve for x
    x = 279,178,788,558.46/586,888.32
  6. Step 6: Final answer
    x = 475,693.21

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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.