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Finding the Fourth Proportional to 586,667.03, 809,606.76 and 360,312.53

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Solution

The fourth proportional to 586,667.03, 809,606.76 and 360,312.53 is: 497,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,667.03 : 809,606.76 = 360,312.53 : x
  2. Step 2: Convert to fraction form
    586,667.03/809,606.76 = 360,312.53/x
  3. Step 3: Cross multiply
    586,667.03x = 809,606.76 × 360,312.53
  4. Step 4: Simplify right side
    586,667.03x = 291,711,454,151.11
  5. Step 5: Solve for x
    x = 291,711,454,151.11/586,667.03
  6. Step 6: Final answer
    x = 497,235.13

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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.