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Finding the Fourth Proportional to 602,277.48, 831,503.34 and 376,229.16

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Solution

The fourth proportional to 602,277.48, 831,503.34 and 376,229.16 is: 519,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,277.48 : 831,503.34 = 376,229.16 : x
  2. Step 2: Convert to fraction form
    602,277.48/831,503.34 = 376,229.16/x
  3. Step 3: Cross multiply
    602,277.48x = 831,503.34 × 376,229.16
  4. Step 4: Simplify right side
    602,277.48x = 312,835,803,145.39
  5. Step 5: Solve for x
    x = 312,835,803,145.39/602,277.48
  6. Step 6: Final answer
    x = 519,421.39

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Double scale
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Similar ratio
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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.