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Finding the Fourth Proportional to 702,706.14, 969,730.04 and 380,413.89

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Solution

The fourth proportional to 702,706.14, 969,730.04 and 380,413.89 is: 524,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,706.14 : 969,730.04 = 380,413.89 : x
  2. Step 2: Convert to fraction form
    702,706.14/969,730.04 = 380,413.89/x
  3. Step 3: Cross multiply
    702,706.14x = 969,730.04 × 380,413.89
  4. Step 4: Simplify right side
    702,706.14x = 368,898,774,864.19
  5. Step 5: Solve for x
    x = 368,898,774,864.19/702,706.14
  6. Step 6: Final answer
    x = 524,968.77

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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.