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Finding the Fourth Proportional to 605,303.90, 907,627.80 and 249,916.40

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Solution

The fourth proportional to 605,303.90, 907,627.80 and 249,916.40 is: 374,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,303.90 : 907,627.80 = 249,916.40 : x
  2. Step 2: Convert to fraction form
    605,303.90/907,627.80 = 249,916.40/x
  3. Step 3: Cross multiply
    605,303.90x = 907,627.80 × 249,916.40
  4. Step 4: Simplify right side
    605,303.90x = 226,831,072,315.92
  5. Step 5: Solve for x
    x = 226,831,072,315.92/605,303.90
  6. Step 6: Final answer
    x = 374,739.16

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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.