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Finding the Fourth Proportional to 562,925, 776,607 and 333,311.60

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Solution

The fourth proportional to 562,925, 776,607 and 333,311.60 is: 459,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,925 : 776,607 = 333,311.60 : x
  2. Step 2: Convert to fraction form
    562,925/776,607 = 333,311.60/x
  3. Step 3: Cross multiply
    562,925x = 776,607 × 333,311.60
  4. Step 4: Simplify right side
    562,925x = 258,852,121,741.20
  5. Step 5: Solve for x
    x = 258,852,121,741.20/562,925
  6. Step 6: Final answer
    x = 459,834.12

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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.