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Finding the Fourth Proportional to 604,730.90, 907,424.40 and 249,780.80

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Solution

The fourth proportional to 604,730.90, 907,424.40 and 249,780.80 is: 374,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,730.90 : 907,424.40 = 249,780.80 : x
  2. Step 2: Convert to fraction form
    604,730.90/907,424.40 = 249,780.80/x
  3. Step 3: Cross multiply
    604,730.90x = 907,424.40 × 249,780.80
  4. Step 4: Simplify right side
    604,730.90x = 226,657,192,571.52
  5. Step 5: Solve for x
    x = 226,657,192,571.52/604,730.90
  6. Step 6: Final answer
    x = 374,806.70

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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.