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Finding the Fourth Proportional to 586,560, 879,821.28 and 187,225.08

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Solution

The fourth proportional to 586,560, 879,821.28 and 187,225.08 is: 280,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,560 : 879,821.28 = 187,225.08 : x
  2. Step 2: Convert to fraction form
    586,560/879,821.28 = 187,225.08/x
  3. Step 3: Cross multiply
    586,560x = 879,821.28 × 187,225.08
  4. Step 4: Simplify right side
    586,560x = 164,724,609,533.70
  5. Step 5: Solve for x
    x = 164,724,609,533.70/586,560
  6. Step 6: Final answer
    x = 280,831.64

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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.