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Finding the Fourth Proportional to 692,965.17, 956,291.85 and 375,013.17

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Solution

The fourth proportional to 692,965.17, 956,291.85 and 375,013.17 is: 517,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,965.17 : 956,291.85 = 375,013.17 : x
  2. Step 2: Convert to fraction form
    692,965.17/956,291.85 = 375,013.17/x
  3. Step 3: Cross multiply
    692,965.17x = 956,291.85 × 375,013.17
  4. Step 4: Simplify right side
    692,965.17x = 358,622,038,113.67
  5. Step 5: Solve for x
    x = 358,622,038,113.67/692,965.17
  6. Step 6: Final answer
    x = 517,518.13

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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.