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Finding the Fourth Proportional to 562,643.20, 776,317.12 and 333,085.12

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Solution

The fourth proportional to 562,643.20, 776,317.12 and 333,085.12 is: 459,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,643.20 : 776,317.12 = 333,085.12 : x
  2. Step 2: Convert to fraction form
    562,643.20/776,317.12 = 333,085.12/x
  3. Step 3: Cross multiply
    562,643.20x = 776,317.12 × 333,085.12
  4. Step 4: Simplify right side
    562,643.20x = 258,579,681,073.25
  5. Step 5: Solve for x
    x = 258,579,681,073.25/562,643.20
  6. Step 6: Final answer
    x = 459,580.21

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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.