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Finding the Fourth Proportional to 602,547.96, 831,515.76 and 330,617.48

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Solution

The fourth proportional to 602,547.96, 831,515.76 and 330,617.48 is: 456,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,547.96 : 831,515.76 = 330,617.48 : x
  2. Step 2: Convert to fraction form
    602,547.96/831,515.76 = 330,617.48/x
  3. Step 3: Cross multiply
    602,547.96x = 831,515.76 × 330,617.48
  4. Step 4: Simplify right side
    602,547.96x = 274,913,645,151.49
  5. Step 5: Solve for x
    x = 274,913,645,151.49/602,547.96
  6. Step 6: Final answer
    x = 456,251.89

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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.