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Finding the Fourth Proportional to 602,293.32, 831,157.74 and 326,647.08

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Solution

The fourth proportional to 602,293.32, 831,157.74 and 326,647.08 is: 450,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,293.32 : 831,157.74 = 326,647.08 : x
  2. Step 2: Convert to fraction form
    602,293.32/831,157.74 = 326,647.08/x
  3. Step 3: Cross multiply
    602,293.32x = 831,157.74 × 326,647.08
  4. Step 4: Simplify right side
    602,293.32x = 271,495,248,790.40
  5. Step 5: Solve for x
    x = 271,495,248,790.40/602,293.32
  6. Step 6: Final answer
    x = 450,769.15

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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.