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Finding the Fourth Proportional to 602,673.99, 831,635.13 and 357,616.51

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Solution

The fourth proportional to 602,673.99, 831,635.13 and 357,616.51 is: 493,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,673.99 : 831,635.13 = 357,616.51 : x
  2. Step 2: Convert to fraction form
    602,673.99/831,635.13 = 357,616.51/x
  3. Step 3: Cross multiply
    602,673.99x = 831,635.13 × 357,616.51
  4. Step 4: Simplify right side
    602,673.99x = 297,406,450,995.91
  5. Step 5: Solve for x
    x = 297,406,450,995.91/602,673.99
  6. Step 6: Final answer
    x = 493,478.16

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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.