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Finding the Fourth Proportional to 602,288.19, 831,155.45 and 372,799.77

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Solution

The fourth proportional to 602,288.19, 831,155.45 and 372,799.77 is: 514,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,288.19 : 831,155.45 = 372,799.77 : x
  2. Step 2: Convert to fraction form
    602,288.19/831,155.45 = 372,799.77/x
  3. Step 3: Cross multiply
    602,288.19x = 831,155.45 × 372,799.77
  4. Step 4: Simplify right side
    602,288.19x = 309,854,558,730.25
  5. Step 5: Solve for x
    x = 309,854,558,730.25/602,288.19
  6. Step 6: Final answer
    x = 514,462.29

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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.