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Finding the Fourth Proportional to 333,328.05, 500,272.07 and 312,309.16

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Solution

The fourth proportional to 333,328.05, 500,272.07 and 312,309.16 is: 468,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,328.05 : 500,272.07 = 312,309.16 : x
  2. Step 2: Convert to fraction form
    333,328.05/500,272.07 = 312,309.16/x
  3. Step 3: Cross multiply
    333,328.05x = 500,272.07 × 312,309.16
  4. Step 4: Simplify right side
    333,328.05x = 156,239,547,140.94
  5. Step 5: Solve for x
    x = 156,239,547,140.94/333,328.05
  6. Step 6: Final answer
    x = 468,726.07

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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.