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Finding the Fourth Proportional to 583,914.48, 805,802.52 and 342,148.92

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Solution

The fourth proportional to 583,914.48, 805,802.52 and 342,148.92 is: 472,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,914.48 : 805,802.52 = 342,148.92 : x
  2. Step 2: Convert to fraction form
    583,914.48/805,802.52 = 342,148.92/x
  3. Step 3: Cross multiply
    583,914.48x = 805,802.52 × 342,148.92
  4. Step 4: Simplify right side
    583,914.48x = 275,704,461,951.28
  5. Step 5: Solve for x
    x = 275,704,461,951.28/583,914.48
  6. Step 6: Final answer
    x = 472,165.82

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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.