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Finding the Fourth Proportional to 604,859.40, 907,617.15 and 249,909.30

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Solution

The fourth proportional to 604,859.40, 907,617.15 and 249,909.30 is: 374,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,859.40 : 907,617.15 = 249,909.30 : x
  2. Step 2: Convert to fraction form
    604,859.40/907,617.15 = 249,909.30/x
  3. Step 3: Cross multiply
    604,859.40x = 907,617.15 × 249,909.30
  4. Step 4: Simplify right side
    604,859.40x = 226,821,966,624.50
  5. Step 5: Solve for x
    x = 226,821,966,624.50/604,859.40
  6. Step 6: Final answer
    x = 374,999.49

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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.