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Finding the Fourth Proportional to 705,569.04, 973,686.06 and 383,279.13

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Solution

The fourth proportional to 705,569.04, 973,686.06 and 383,279.13 is: 528,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,569.04 : 973,686.06 = 383,279.13 : x
  2. Step 2: Convert to fraction form
    705,569.04/973,686.06 = 383,279.13/x
  3. Step 3: Cross multiply
    705,569.04x = 973,686.06 × 383,279.13
  4. Step 4: Simplify right side
    705,569.04x = 373,193,545,969.93
  5. Step 5: Solve for x
    x = 373,193,545,969.93/705,569.04
  6. Step 6: Final answer
    x = 528,925.63

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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.