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Finding the Fourth Proportional to 500,841.74, 750,928.98 and 260,364.72

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Solution

The fourth proportional to 500,841.74, 750,928.98 and 260,364.72 is: 390,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,841.74 : 750,928.98 = 260,364.72 : x
  2. Step 2: Convert to fraction form
    500,841.74/750,928.98 = 260,364.72/x
  3. Step 3: Cross multiply
    500,841.74x = 750,928.98 × 260,364.72
  4. Step 4: Simplify right side
    500,841.74x = 195,515,413,617.59
  5. Step 5: Solve for x
    x = 195,515,413,617.59/500,841.74
  6. Step 6: Final answer
    x = 390,373.64

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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.