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Finding the Fourth Proportional to 589,303.40, 883,955.10 and 195,319.40

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Solution

The fourth proportional to 589,303.40, 883,955.10 and 195,319.40 is: 292,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,303.40 : 883,955.10 = 195,319.40 : x
  2. Step 2: Convert to fraction form
    589,303.40/883,955.10 = 195,319.40/x
  3. Step 3: Cross multiply
    589,303.40x = 883,955.10 × 195,319.40
  4. Step 4: Simplify right side
    589,303.40x = 172,653,579,758.94
  5. Step 5: Solve for x
    x = 172,653,579,758.94/589,303.40
  6. Step 6: Final answer
    x = 292,979.10

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Double scale
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Similar ratio
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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.