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Finding the Fourth Proportional to 602,391.56, 831,326.64 and 360,627.56

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Solution

The fourth proportional to 602,391.56, 831,326.64 and 360,627.56 is: 497,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,391.56 : 831,326.64 = 360,627.56 : x
  2. Step 2: Convert to fraction form
    602,391.56/831,326.64 = 360,627.56/x
  3. Step 3: Cross multiply
    602,391.56x = 831,326.64 × 360,627.56
  4. Step 4: Simplify right side
    602,391.56x = 299,799,297,746.20
  5. Step 5: Solve for x
    x = 299,799,297,746.20/602,391.56
  6. Step 6: Final answer
    x = 497,681.77

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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.