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Finding the Fourth Proportional to 586,866.60, 879,643.80 and 249,849.90

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Solution

The fourth proportional to 586,866.60, 879,643.80 and 249,849.90 is: 374,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,866.60 : 879,643.80 = 249,849.90 : x
  2. Step 2: Convert to fraction form
    586,866.60/879,643.80 = 249,849.90/x
  3. Step 3: Cross multiply
    586,866.60x = 879,643.80 × 249,849.90
  4. Step 4: Simplify right side
    586,866.60x = 219,778,915,465.62
  5. Step 5: Solve for x
    x = 219,778,915,465.62/586,866.60
  6. Step 6: Final answer
    x = 374,495.52

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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.