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Finding the Fourth Proportional to 581,902.38, 802,838.59 and 352,386.45

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Solution

The fourth proportional to 581,902.38, 802,838.59 and 352,386.45 is: 486,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,902.38 : 802,838.59 = 352,386.45 : x
  2. Step 2: Convert to fraction form
    581,902.38/802,838.59 = 352,386.45/x
  3. Step 3: Cross multiply
    581,902.38x = 802,838.59 × 352,386.45
  4. Step 4: Simplify right side
    581,902.38x = 282,909,439,772.14
  5. Step 5: Solve for x
    x = 282,909,439,772.14/581,902.38
  6. Step 6: Final answer
    x = 486,180.24

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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.