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Finding the Fourth Proportional to 589,711.80, 884,567.70 and 579,870.30

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Solution

The fourth proportional to 589,711.80, 884,567.70 and 579,870.30 is: 869,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,711.80 : 884,567.70 = 579,870.30 : x
  2. Step 2: Convert to fraction form
    589,711.80/884,567.70 = 579,870.30/x
  3. Step 3: Cross multiply
    589,711.80x = 884,567.70 × 579,870.30
  4. Step 4: Simplify right side
    589,711.80x = 512,934,537,569.31
  5. Step 5: Solve for x
    x = 512,934,537,569.31/589,711.80
  6. Step 6: Final answer
    x = 869,805.45

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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.