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Finding the Fourth Proportional to 842,352, 1,162,428.51 and 460,381.56

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Solution

The fourth proportional to 842,352, 1,162,428.51 and 460,381.56 is: 635,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,352 : 1,162,428.51 = 460,381.56 : x
  2. Step 2: Convert to fraction form
    842,352/1,162,428.51 = 460,381.56/x
  3. Step 3: Cross multiply
    842,352x = 1,162,428.51 × 460,381.56
  4. Step 4: Simplify right side
    842,352x = 535,160,650,822.28
  5. Step 5: Solve for x
    x = 535,160,650,822.28/842,352
  6. Step 6: Final answer
    x = 635,317.12

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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.