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Finding the Fourth Proportional to 1,047,252, 1,445,207.76 and 570,324

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Solution

The fourth proportional to 1,047,252, 1,445,207.76 and 570,324 is: 787,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,252 : 1,445,207.76 = 570,324 : x
  2. Step 2: Convert to fraction form
    1,047,252/1,445,207.76 = 570,324/x
  3. Step 3: Cross multiply
    1,047,252x = 1,445,207.76 × 570,324
  4. Step 4: Simplify right side
    1,047,252x = 824,236,670,514.24
  5. Step 5: Solve for x
    x = 824,236,670,514.24/1,047,252
  6. Step 6: Final answer
    x = 787,047.12

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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.