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Finding the Fourth Proportional to 602,900.07, 831,971.54 and 357,895.31

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Solution

The fourth proportional to 602,900.07, 831,971.54 and 357,895.31 is: 493,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,900.07 : 831,971.54 = 357,895.31 : x
  2. Step 2: Convert to fraction form
    602,900.07/831,971.54 = 357,895.31/x
  3. Step 3: Cross multiply
    602,900.07x = 831,971.54 × 357,895.31
  4. Step 4: Simplify right side
    602,900.07x = 297,758,708,059.62
  5. Step 5: Solve for x
    x = 297,758,708,059.62/602,900.07
  6. Step 6: Final answer
    x = 493,877.38

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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.