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Finding the Fourth Proportional to 586,363.20, 879,544.80 and 502,382.40

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Solution

The fourth proportional to 586,363.20, 879,544.80 and 502,382.40 is: 753,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,363.20 : 879,544.80 = 502,382.40 : x
  2. Step 2: Convert to fraction form
    586,363.20/879,544.80 = 502,382.40/x
  3. Step 3: Cross multiply
    586,363.20x = 879,544.80 × 502,382.40
  4. Step 4: Simplify right side
    586,363.20x = 441,867,827,531.52
  5. Step 5: Solve for x
    x = 441,867,827,531.52/586,363.20
  6. Step 6: Final answer
    x = 753,573.60

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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.