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Finding the Fourth Proportional to 704,802.92, 972,628.70 and 382,513.23

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Solution

The fourth proportional to 704,802.92, 972,628.70 and 382,513.23 is: 527,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,802.92 : 972,628.70 = 382,513.23 : x
  2. Step 2: Convert to fraction form
    704,802.92/972,628.70 = 382,513.23/x
  3. Step 3: Cross multiply
    704,802.92x = 972,628.70 × 382,513.23
  4. Step 4: Simplify right side
    704,802.92x = 372,043,343,715.14
  5. Step 5: Solve for x
    x = 372,043,343,715.14/704,802.92
  6. Step 6: Final answer
    x = 527,868.62

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1.5x scale

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.