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Finding the Fourth Proportional to 602,340.02, 831,089.85 and 360,530.72

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Solution

The fourth proportional to 602,340.02, 831,089.85 and 360,530.72 is: 497,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,340.02 : 831,089.85 = 360,530.72 : x
  2. Step 2: Convert to fraction form
    602,340.02/831,089.85 = 360,530.72/x
  3. Step 3: Cross multiply
    602,340.02x = 831,089.85 × 360,530.72
  4. Step 4: Simplify right side
    602,340.02x = 299,633,422,730.93
  5. Step 5: Solve for x
    x = 299,633,422,730.93/602,340.02
  6. Step 6: Final answer
    x = 497,448.97

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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.