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Finding the Fourth Proportional to 586,041.60, 879,062.40 and 286,568.40

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Solution

The fourth proportional to 586,041.60, 879,062.40 and 286,568.40 is: 429,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,041.60 : 879,062.40 = 286,568.40 : x
  2. Step 2: Convert to fraction form
    586,041.60/879,062.40 = 286,568.40/x
  3. Step 3: Cross multiply
    586,041.60x = 879,062.40 × 286,568.40
  4. Step 4: Simplify right side
    586,041.60x = 251,911,505,468.16
  5. Step 5: Solve for x
    x = 251,911,505,468.16/586,041.60
  6. Step 6: Final answer
    x = 429,852.60

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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.