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Finding the Fourth Proportional to 473,322.28, 709,457.53 and 360,630.98

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Solution

The fourth proportional to 473,322.28, 709,457.53 and 360,630.98 is: 540,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,322.28 : 709,457.53 = 360,630.98 : x
  2. Step 2: Convert to fraction form
    473,322.28/709,457.53 = 360,630.98/x
  3. Step 3: Cross multiply
    473,322.28x = 709,457.53 × 360,630.98
  4. Step 4: Simplify right side
    473,322.28x = 255,852,366,085.92
  5. Step 5: Solve for x
    x = 255,852,366,085.92/473,322.28
  6. Step 6: Final answer
    x = 540,545.79

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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.