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Finding the Fourth Proportional to 575,640.96, 863,463.60 and 176,280.18

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Solution

The fourth proportional to 575,640.96, 863,463.60 and 176,280.18 is: 264,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,640.96 : 863,463.60 = 176,280.18 : x
  2. Step 2: Convert to fraction form
    575,640.96/863,463.60 = 176,280.18/x
  3. Step 3: Cross multiply
    575,640.96x = 863,463.60 × 176,280.18
  4. Step 4: Simplify right side
    575,640.96x = 152,211,518,831.45
  5. Step 5: Solve for x
    x = 152,211,518,831.45/575,640.96
  6. Step 6: Final answer
    x = 264,420.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.