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Finding the Fourth Proportional to 604,860.90, 907,619.40 and 249,910.80

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Solution

The fourth proportional to 604,860.90, 907,619.40 and 249,910.80 is: 375,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,860.90 : 907,619.40 = 249,910.80 : x
  2. Step 2: Convert to fraction form
    604,860.90/907,619.40 = 249,910.80/x
  3. Step 3: Cross multiply
    604,860.90x = 907,619.40 × 249,910.80
  4. Step 4: Simplify right side
    604,860.90x = 226,823,890,349.52
  5. Step 5: Solve for x
    x = 226,823,890,349.52/604,860.90
  6. Step 6: Final answer
    x = 375,001.74

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1.5x scale

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.