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Finding the Fourth Proportional to 586,253.19, 808,386.93 and 381,925.20

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Solution

The fourth proportional to 586,253.19, 808,386.93 and 381,925.20 is: 526,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,253.19 : 808,386.93 = 381,925.20 : x
  2. Step 2: Convert to fraction form
    586,253.19/808,386.93 = 381,925.20/x
  3. Step 3: Cross multiply
    586,253.19x = 808,386.93 × 381,925.20
  4. Step 4: Simplify right side
    586,253.19x = 308,743,339,917.64
  5. Step 5: Solve for x
    x = 308,743,339,917.64/586,253.19
  6. Step 6: Final answer
    x = 526,638.23

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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.