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Finding the Fourth Proportional to 602,853.32, 831,907.50 and 348,189.32

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Solution

The fourth proportional to 602,853.32, 831,907.50 and 348,189.32 is: 480,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,853.32 : 831,907.50 = 348,189.32 : x
  2. Step 2: Convert to fraction form
    602,853.32/831,907.50 = 348,189.32/x
  3. Step 3: Cross multiply
    602,853.32x = 831,907.50 × 348,189.32
  4. Step 4: Simplify right side
    602,853.32x = 289,661,302,568.36
  5. Step 5: Solve for x
    x = 289,661,302,568.36/602,853.32
  6. Step 6: Final answer
    x = 480,483.88

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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.