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Finding the Fourth Proportional to 583,664.40, 805,636.32 and 342,024.80

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Solution

The fourth proportional to 583,664.40, 805,636.32 and 342,024.80 is: 472,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,664.40 : 805,636.32 = 342,024.80 : x
  2. Step 2: Convert to fraction form
    583,664.40/805,636.32 = 342,024.80/x
  3. Step 3: Cross multiply
    583,664.40x = 805,636.32 × 342,024.80
  4. Step 4: Simplify right side
    583,664.40x = 275,547,597,192.55
  5. Step 5: Solve for x
    x = 275,547,597,192.55/583,664.40
  6. Step 6: Final answer
    x = 472,099.37

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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.