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Finding the Fourth Proportional to 586,724.40, 878,531.40 and 462,308.40

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Solution

The fourth proportional to 586,724.40, 878,531.40 and 462,308.40 is: 692,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,724.40 : 878,531.40 = 462,308.40 : x
  2. Step 2: Convert to fraction form
    586,724.40/878,531.40 = 462,308.40/x
  3. Step 3: Cross multiply
    586,724.40x = 878,531.40 × 462,308.40
  4. Step 4: Simplify right side
    586,724.40x = 406,152,445,883.76
  5. Step 5: Solve for x
    x = 406,152,445,883.76/586,724.40
  6. Step 6: Final answer
    x = 692,237.18

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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.