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Finding the Fourth Proportional to 604,920.40, 907,708.65 and 249,970.30

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Solution

The fourth proportional to 604,920.40, 907,708.65 and 249,970.30 is: 375,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,920.40 : 907,708.65 = 249,970.30 : x
  2. Step 2: Convert to fraction form
    604,920.40/907,708.65 = 249,970.30/x
  3. Step 3: Cross multiply
    604,920.40x = 907,708.65 × 249,970.30
  4. Step 4: Simplify right side
    604,920.40x = 226,900,203,553.10
  5. Step 5: Solve for x
    x = 226,900,203,553.10/604,920.40
  6. Step 6: Final answer
    x = 375,091.01

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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.