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Finding the Fourth Proportional to 704,683.29, 972,465.56 and 382,393.45

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Solution

The fourth proportional to 704,683.29, 972,465.56 and 382,393.45 is: 527,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,683.29 : 972,465.56 = 382,393.45 : x
  2. Step 2: Convert to fraction form
    704,683.29/972,465.56 = 382,393.45/x
  3. Step 3: Cross multiply
    704,683.29x = 972,465.56 × 382,393.45
  4. Step 4: Simplify right side
    704,683.29x = 371,864,461,232.17
  5. Step 5: Solve for x
    x = 371,864,461,232.17/704,683.29
  6. Step 6: Final answer
    x = 527,704.38

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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.