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Finding the Fourth Proportional to 604,878.90, 907,646.40 and 249,928.80

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Solution

The fourth proportional to 604,878.90, 907,646.40 and 249,928.80 is: 375,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,878.90 : 907,646.40 = 249,928.80 : x
  2. Step 2: Convert to fraction form
    604,878.90/907,646.40 = 249,928.80/x
  3. Step 3: Cross multiply
    604,878.90x = 907,646.40 × 249,928.80
  4. Step 4: Simplify right side
    604,878.90x = 226,846,975,576.32
  5. Step 5: Solve for x
    x = 226,846,975,576.32/604,878.90
  6. Step 6: Final answer
    x = 375,028.75

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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.