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Finding the Fourth Proportional to 604,878.40, 907,645.65 and 249,928.30

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Solution

The fourth proportional to 604,878.40, 907,645.65 and 249,928.30 is: 375,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,878.40 : 907,645.65 = 249,928.30 : x
  2. Step 2: Convert to fraction form
    604,878.40/907,645.65 = 249,928.30/x
  3. Step 3: Cross multiply
    604,878.40x = 907,645.65 × 249,928.30
  4. Step 4: Simplify right side
    604,878.40x = 226,846,334,306.90
  5. Step 5: Solve for x
    x = 226,846,334,306.90/604,878.40
  6. Step 6: Final answer
    x = 375,028.00

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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.