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Finding the Fourth Proportional to 411,031.36, 567,398.16 and 249,938.16

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Solution

The fourth proportional to 411,031.36, 567,398.16 and 249,938.16 is: 345,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,031.36 : 567,398.16 = 249,938.16 : x
  2. Step 2: Convert to fraction form
    411,031.36/567,398.16 = 249,938.16/x
  3. Step 3: Cross multiply
    411,031.36x = 567,398.16 × 249,938.16
  4. Step 4: Simplify right side
    411,031.36x = 141,814,452,097.79
  5. Step 5: Solve for x
    x = 141,814,452,097.79/411,031.36
  6. Step 6: Final answer
    x = 345,021.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.