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Finding the Fourth Proportional to 563,047.24, 776,710.74 and 348,118.60

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Solution

The fourth proportional to 563,047.24, 776,710.74 and 348,118.60 is: 480,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,047.24 : 776,710.74 = 348,118.60 : x
  2. Step 2: Convert to fraction form
    563,047.24/776,710.74 = 348,118.60/x
  3. Step 3: Cross multiply
    563,047.24x = 776,710.74 × 348,118.60
  4. Step 4: Simplify right side
    563,047.24x = 270,387,455,413.76
  5. Step 5: Solve for x
    x = 270,387,455,413.76/563,047.24
  6. Step 6: Final answer
    x = 480,221.62

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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.